/* =========================================================
   Drumming.de Test-UI — Minimales, funktionales Stylesheet
   Kein Glasmorphism. Schlanke Optik fuer Entwicklungs-Verifikation.
   ========================================================= */

*, *::before, *::after {
    box-sizing: border-box;
}

/* Phase 68 Teil B: oeffentlicher, rein textueller Betriebsstatus. */
.site-announcement {
    position: relative;
    z-index: 1100;
    padding: .7rem 1rem;
    background: #153b66;
    color: #fff;
    text-align: center;
    font-weight: 700;
}

.site-maintenance {
    position: relative;
    z-index: 2;
    width: min(42rem, calc(100% - 2rem));
    margin: 12vh auto 0;
    padding: 2rem;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 1rem;
    background: rgba(17, 23, 34, .94);
    color: #fff;
    text-align: center;
}

body.site-maintenance-active > .site-header,
body.site-maintenance-active > .main-content,
body.site-maintenance-active > .mobile-preview-action,
body.site-maintenance-active > .feasibility-toast,
body.site-maintenance-active > .account-modal,
body.site-maintenance-active > .bug-modal,
body.site-maintenance-active > .bug-toast {
    display: none !important;
}

.login-first {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-first__card {
    position: relative;
    z-index: 1;
    width: min(100%, 520px);
    padding: clamp(28px, 6vw, 48px);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    background: var(--color-surface-strong);
    box-shadow: var(--shadow-panel);
}

.login-first__brand {
    margin: 0 0 22px;
    color: var(--color-text);
    font-weight: 800;
    letter-spacing: .02em;
}

.login-first__brand span {
    color: var(--color-text-muted);
    font-size: .78em;
    font-weight: 600;
}

.login-first__card h1 {
    margin: 0 0 14px;
}

.login-first__text {
    margin: 0 0 28px;
    color: var(--color-text-muted);
    line-height: 1.65;
    white-space: pre-line;
}

.login-first__form {
    display: grid;
    gap: 12px;
}

.login-first__form button {
    margin-top: 8px;
}

.login-first__help {
    margin: 22px 0 0;
    text-align: center;
}

.login-first__help a {
    color: var(--color-primary);
    font-weight: 700;
}

:root {
    --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-description: 15px;
    --color-accent-orange: #ff6a00;
    --color-accent-orange-hover: #e85f00;
    --color-accent-blue: #287cff;
    --color-accent-blue-strong: #287cff;
    --color-accent-green: #2fbd68;
    --color-bg: #eaf0f5;
    --color-surface: rgba(255, 255, 255, 0.68);
    --color-surface-strong: rgba(255, 255, 255, 0.92);
    --color-surface-soft: rgba(241, 246, 251, 0.82);
    --color-surface-hover: rgba(230, 239, 249, 0.96);
    --color-text: #000000;
    --color-text-muted: #536176;
    --color-border: rgba(55, 79, 109, 0.24);
    --color-border-strong: rgba(55, 79, 109, 0.48);
    --color-on-accent: #ffffff;
    --color-on-green: #092a17;
    --color-primary: var(--color-accent-blue);
    --color-primary-hover: #1263dc;
    --color-secondary: #526176;
    --color-secondary-hover: #344157;
    --color-muted: var(--color-text-muted);
    --color-error-bg: rgba(254, 226, 226, 0.94);
    --color-error-border: #dc2626;
    --color-error-text: #8f1d1d;
    --color-warning-bg: rgba(254, 243, 199, 0.94);
    --color-warning-border: #d97706;
    --color-warning-text: #7c4d00;
    --color-test-banner-bg: rgba(255, 247, 214, 0.90);
    --color-test-banner-border: var(--color-accent-orange);
    --color-header-surface: rgba(18, 31, 49, 0.78);
    --color-overlay: rgba(242, 247, 251, 0.58);
    --color-focus-ring: rgba(40, 124, 255, 0.24);
    --color-success-surface: rgba(195, 235, 195, 0.88);
    --color-success-text: #1a3a1a;
    --color-modal-backdrop: rgba(20, 30, 40, 0.45);
    --color-danger-surface: rgba(245, 200, 200, 0.94);
    --color-danger-text: #7a1717;
    --color-viewer: rgba(224, 230, 236, 0.92);
    --color-document: #ffffff;
    --color-transparent-light: rgba(255, 255, 255, 0.15);
    --color-transparent-light-hover: rgba(255, 255, 255, 0.28);
    --color-transparent-border: rgba(255, 255, 255, 0.45);
    --shadow-panel: 0 16px 44px rgba(17, 35, 56, 0.16), 0 2px 8px rgba(17, 35, 56, 0.08);
    --shadow-float: 0 12px 36px rgba(17, 35, 56, 0.22), 0 2px 6px rgba(17, 35, 56, 0.10);
    --shadow-document: 0 14px 34px rgba(17, 35, 56, 0.24), 0 2px 8px rgba(17, 35, 56, 0.12);
    --shadow-control-raised: 0 3px 7px rgba(17, 35, 56, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.72);
    --shadow-control-pressed: inset 0 2px 4px rgba(17, 35, 56, 0.20), inset 0 -1px 0 rgba(255, 255, 255, 0.45);
    --radius-card: 16px;
    --radius-control: 8px;
    --glass-blur: 14px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --workspace-width: 80vw;
    --sticky-bars-height: 0px;
    --transition-theme: 180ms ease;
    --radius: var(--radius-control);
    --shadow: var(--shadow-panel);
}

[data-theme="dark"] {
    color-scheme: dark;
    --color-accent-blue: #bcd8ff;
    --color-bg: #0b121c;
    --color-surface: rgba(17, 27, 41, 0.74);
    --color-surface-strong: rgba(24, 36, 53, 0.94);
    --color-surface-soft: rgba(25, 38, 56, 0.88);
    --color-surface-hover: rgba(38, 55, 78, 0.96);
    --color-text: #ffffff;
    --color-text-muted: #b4c0cf;
    --color-border: rgba(202, 218, 237, 0.22);
    --color-border-strong: rgba(202, 218, 237, 0.44);
    --color-primary-hover: #5c9cff;
    --color-accent-orange-hover: #ff812b;
    --color-secondary: #8090a5;
    --color-secondary-hover: #a7b6c8;
    --color-error-bg: rgba(96, 27, 32, 0.92);
    --color-error-text: #ffd5d8;
    --color-warning-bg: rgba(94, 62, 17, 0.92);
    --color-warning-text: #ffe2a5;
    --color-test-banner-bg: rgba(76, 48, 16, 0.90);
    --color-header-surface: rgba(7, 13, 22, 0.84);
    --color-overlay: rgba(4, 9, 16, 0.76);
    --color-focus-ring: rgba(40, 124, 255, 0.36);
    --color-success-surface: rgba(24, 79, 47, 0.92);
    --color-success-text: #d8ffe7;
    --color-modal-backdrop: rgba(3, 7, 12, 0.72);
    --color-danger-surface: rgba(92, 27, 31, 0.94);
    --color-danger-text: #ffd5d8;
    --color-viewer: rgba(6, 12, 20, 0.88);
    --shadow-panel: 0 18px 50px rgba(0, 0, 0, 0.38), 0 2px 8px rgba(0, 0, 0, 0.24);
    --shadow-float: 0 14px 40px rgba(0, 0, 0, 0.46), 0 2px 8px rgba(0, 0, 0, 0.28);
    --shadow-document: 0 16px 40px rgba(0, 0, 0, 0.52), 0 2px 9px rgba(0, 0, 0, 0.34);
    --shadow-control-raised: 0 3px 8px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    --shadow-control-pressed: inset 0 2px 5px rgba(0, 0, 0, 0.48), inset 0 -1px 0 rgba(255, 255, 255, 0.12);
}

body {
    margin: 0;
    font-family: var(--font-stack);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    background: var(--color-bg);
    color: var(--color-text);
    transition: background-color var(--transition-theme), color var(--transition-theme);
}

:where(button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.app-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: linear-gradient(var(--color-overlay), var(--color-overlay)),
        url("../img/background.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: background-image var(--transition-theme);
}

/* ----- Workspace-Appbar (Phase 45b, ADR-087/088) ----- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-header-surface);
    color: var(--color-on-accent);
    padding: 0;
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(var(--glass-blur)) saturate(120%);
    transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.site-header__inner {
    width: var(--workspace-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(180px, 1fr) max-content minmax(220px, 1fr);
    align-items: center;
    gap: var(--space-4);
    padding: 10px 24px;
}

.site-header__branding {
    min-width: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
        "brand byline"
        "subtitle subtitle";
    align-items: baseline;
    gap: 0 var(--space-2);
}

.site-header__brand {
    grid-area: brand;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.35px;
}

.site-header__byline {
    grid-area: byline;
    min-width: 0;
    font-size: 12px;
    font-weight: 600;
    opacity: .76;
}

.site-header__subtitle {
    grid-area: subtitle;
    font-size: 12px;
    line-height: 1.2;
    opacity: .78;
}

.site-header__mode-controls {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.appbar-mode.form-row {
    grid-template-columns: auto max-content;
    gap: var(--space-2);
    margin: 0;
    padding: 8px 10px;
    border: 1px solid var(--color-transparent-border);
    border-radius: 10px;
    background: var(--color-transparent-light);
}

.appbar-mode label {
    color: var(--color-on-accent);
    font-size: 12px;
    font-weight: 700;
}

.appbar-mode select {
    min-width: 0;
    width: max-content;
    max-width: 100%;
    padding-right: 4px;
    background-color: var(--color-surface-strong);
}

.site-header__actions {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

/* ----- Profil/Hilfe und globale Optionen (Phase 75) ----- */

.header-menu {
    position: relative;
}

.header-menu__toggle {
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid var(--color-transparent-border);
    border-radius: 8px;
    background: var(--color-transparent-light);
    color: var(--color-on-accent);
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    cursor: pointer;
}

.header-menu__toggle:hover,
.header-menu__toggle[aria-expanded="true"] {
    background: var(--color-transparent-light-hover);
}

.header-menu__panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 140;
    display: grid;
    width: max-content;
    min-width: 210px;
    max-width: min(320px, calc(100vw - 24px));
    gap: 4px;
    padding: 8px;
    border: 1px solid var(--color-border-strong);
    border-radius: 12px;
    background: var(--color-surface-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-float);
    animation: menu-flyout-in 150ms ease-out;
}

.header-menu__panel[hidden] {
    display: none;
}

.header-menu__item {
    display: flex;
    min-height: 38px;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 8px 10px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--color-text);
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.header-menu__item:hover:not(:disabled),
.header-menu__item:focus-visible {
    background: var(--color-surface-hover);
}

.header-menu__item:disabled {
    color: var(--color-text-muted);
    cursor: default;
}

.header-menu__status {
    font-size: 11px;
    font-weight: 600;
}

.header-menu__panel--profile .account-state {
    justify-content: flex-start;
    padding: 8px 10px;
}

.header-menu__panel--profile .account-state__status {
    max-width: 270px;
    color: var(--color-text);
}

/* ----- Daueroptionen und Flyouts (Phase 45h/75, ADR-095) ----- */

.appbar-options {
    width: var(--workspace-width);
    margin: 0 auto;
    padding: 0 24px 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-2);
}

.menu-option {
    position: relative;
    min-width: 0;
}

.menu-option__trigger,
.menu-option__label {
    display: inline-flex;
    align-items: center;
}

.menu-option__trigger {
    border: 1px solid var(--color-transparent-border);
    border-radius: 999px;
    background: var(--color-transparent-light);
}

.menu-option:not(.menu-option--flyout) .menu-option__label {
    border: 1px solid var(--color-transparent-border);
    border-radius: 999px;
    background: var(--color-transparent-light);
}

.menu-option__label {
    min-height: 34px;
    gap: 7px;
    padding: 6px 11px;
    color: var(--color-on-accent);
    font-size: 13px;
    font-weight: 650;
    line-height: 1.2;
    cursor: pointer;
}

.view-reset-btn {
    min-height: 34px;
    padding: 6px 13px;
    border: 1px solid var(--color-transparent-border);
    border-radius: 999px;
    background: var(--color-transparent-light);
    color: var(--color-on-accent);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.view-reset-btn:hover {
    background: var(--color-transparent-light-hover);
}

.menu-option__label input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin: 0;
    flex: 0 0 auto;
    accent-color: var(--color-accent-blue-strong);
}

.menu-option__label:focus-within,
.menu-option__caret:focus-visible,
.header-menu__toggle:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.menu-option__trigger:hover,
.menu-option:not(.menu-option--flyout) .menu-option__label:hover {
    background: var(--color-transparent-light-hover);
}

.menu-option__caret {
    align-self: stretch;
    width: 31px;
    padding: 0 8px 2px;
    border: 0;
    border-left: 1px solid var(--color-transparent-border);
    border-radius: 0 999px 999px 0;
    background: transparent;
    color: var(--color-on-accent);
    font: inherit;
    font-size: 16px;
    cursor: pointer;
}

.menu-option__caret:disabled {
    opacity: .42;
    cursor: not-allowed;
}

.menu-option__caret[aria-expanded="true"] {
    transform: rotate(180deg);
}

.menu-flyout {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    z-index: 120;
    width: min(360px, calc(100vw - 24px));
    max-height: min(420px, calc(100vh - var(--sticky-bars-height) - 24px));
    overflow: auto;
    padding: var(--space-4);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-card);
    background: var(--color-surface-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-float);
    transform: translateX(-50%);
    animation: menu-flyout-in 150ms ease-out;
}

.menu-flyout--align-left {
    left: 0;
    transform: none;
}

.menu-flyout--align-right {
    right: 0;
    left: auto;
    transform: none;
}

.menu-flyout .form-row {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: var(--space-1);
}

.menu-flyout .form-row > *,
.menu-flyout .radio-label {
    min-width: 0;
    max-width: 100%;
    grid-column: 1;
}

.menu-flyout .form-row--fieldset,
.menu-flyout .handedness-choice {
    margin: var(--space-3) 0 0;
}

.menu-flyout .handedness-choice {
    flex-wrap: wrap;
}

.menu-flyout__description {
    margin: 0 0 var(--space-3);
    color: var(--color-text-muted);
    font-size: var(--font-size-description);
    line-height: 1.35;
}

@keyframes menu-flyout-in {
    from { opacity: 0; translate: 0 -5px; }
    to { opacity: 1; translate: 0 0; }
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: 0;
    padding: 6px 10px;
    border: 1px solid var(--color-transparent-border);
    border-radius: 999px;
    background: var(--color-transparent-light);
    color: var(--color-on-accent);
    font: inherit;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.theme-toggle:hover {
    background: var(--color-transparent-light-hover);
}

.theme-toggle:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.theme-toggle__track {
    width: 34px;
    height: 18px;
    padding: 2px;
    border-radius: 999px;
    background: var(--color-accent-blue-strong);
}

.theme-toggle__thumb {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-on-accent);
    transform: translateX(0);
    transition: transform var(--transition-theme);
}

[data-theme="dark"] .theme-toggle__thumb {
    transform: translateX(16px);
}

.theme-toggle__option {
    opacity: .72;
}

[data-theme="light"] .theme-toggle__option--light,
[data-theme="dark"] .theme-toggle__option--dark {
    opacity: 1;
    font-weight: 700;
}

.test-ui-banner {
    background: var(--color-test-banner-bg);
    border-top: 3px solid var(--color-test-banner-border);
    color: var(--color-warning-text);
    font-size: 14px;
    padding: 6px 24px;
}

/* ----- Layout ----- */

.main-content {
    width: var(--workspace-width);
    margin: 24px auto;
    padding: 0 20px;
}

.workspace-shell {
    --beat-matrix-cell-size: 34px;
    --workspace-resizer-size: var(--space-5);
    display: grid;
    grid-template-columns: minmax(0, 9fr) var(--workspace-resizer-size) minmax(0, 11fr);
    align-items: start;
    gap: 0;
}

.workspace-shell--rhythm {
    grid-template-columns: minmax(0, 21fr) var(--workspace-resizer-size) minmax(0, 29fr);
}

.workspace-shell--beat-matrix {
    grid-template-columns: minmax(0, 8fr) var(--workspace-resizer-size) minmax(0, 5fr);
}

.workspace-shell--resized,
.workspace-shell--resized.workspace-shell--rhythm,
.workspace-shell--resized.workspace-shell--beat-matrix {
    grid-template-columns: minmax(0, var(--workspace-config-width)) var(--workspace-resizer-size) minmax(0, 1fr);
}

.workspace-column {
    min-width: 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* Phase 46d (ADR-100): Lineare Einspaltenfolge statt variablem 2D-Slotraster. */
.workspace-column--config {
    display: flex;
    flex-direction: column;
}

.workspace-column > * {
    min-width: 0;
    max-width: 100%;
}

.workspace-column--preview {
    position: sticky;
    top: calc(var(--sticky-bars-height) + var(--space-5));
}

.workspace-resizer {
    align-self: stretch;
    min-height: 240px;
    display: flex;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: col-resize;
    touch-action: none;
    outline: none;
}

.workspace-resizer__handle {
    width: 4px;
    min-height: 100%;
    border-radius: 999px;
    background: var(--color-border-strong);
    box-shadow: 0 0 0 1px var(--color-transparent-border);
    transition: width .15s ease, background .15s ease, box-shadow .15s ease;
}

.workspace-resizer:hover .workspace-resizer__handle,
.workspace-resizer:focus-visible .workspace-resizer__handle,
.workspace-resizer[aria-valuenow]:active .workspace-resizer__handle {
    width: 6px;
    background: var(--color-accent-green);
    box-shadow: 0 0 0 3px var(--color-success-surface);
}

body.workspace-resizing,
body.workspace-resizing * {
    cursor: col-resize !important;
    user-select: none !important;
}

@media (max-width: 1280px) {
    :root {
        --workspace-width: 94vw;
    }

    .workspace-shell {
        --workspace-resizer-size: var(--space-4);
    }
}

.mobile-workspace-tabs,
.mobile-preview-action {
    display: none;
}

/* ----- hidden-Attribut global durchsetzen (Phase 38, ADR-074) -----

   Das `hidden`-Attribut wird vom Browser nur ueber die UA-Regel
   `[hidden] { display: none }` umgesetzt -- und die verliert gegen JEDE
   Autoren-Regel, die `display` setzt. Weil `.form-row` (grid),
   `.four-two-one-toggle` (flex), `.handedness-choice` (flex) und die
   Fieldset-Zeilen ein eigenes `display` mitbringen, blieben per
   `element.hidden = true` ausgeblendete Zeilen sichtbar (u.a. das
   Gruppierungs-Dropdown in symmetrischen Taktarten und saemtliche bei Rhythmus
   auszublendenden Zeilen). Diese eine Regel setzt die Absicht global durch;
   die punktuelle `.bug-modal[hidden]`-Sonderregel weiter unten bleibt als
   dokumentierter Vorlaeufer bestehen. */
[hidden] {
    display: none !important;
}

/* ----- Sections ----- */

.config-section,
.patterns-section,
.preview-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 20px 24px;
    box-shadow: none;
    transition: background-color var(--transition-theme), border-color var(--transition-theme),
        box-shadow var(--transition-theme), color var(--transition-theme);
}

@supports not (backdrop-filter: blur(1px)) {
    .site-header {
        background: var(--color-surface-strong);
    }
}

/* ----- Kartenhierarchie (Phase 45d, ADR-091) ----- */

.workspace-card--primary {
    background: var(--color-surface-strong);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-panel);
}

.workspace-card--secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.workspace-card--tertiary {
    background: var(--color-surface-soft);
    border-color: var(--color-border);
    box-shadow: none;
}

/* Phase 48 (ADR-101): Die beiden kompakten Kopfkarten verwenden dieselbe
   transluzente Flaeche wie die uebrigen Konfigurationskarten. Die einzige
   Blur-Ebene bleibt unveraendert die sticky Kopfzeile (ADR-098). */
.workspace-column--config > [data-card-layout-id="exercise"],
.workspace-column--config > [data-card-layout-id="meter-sheet"] {
    background: var(--color-surface);
    border-color: var(--color-border);
    box-shadow: none;
}

.workspace-card--compact {
    padding: var(--space-4) var(--space-5);
}

.workspace-card--compact h2 {
    margin-bottom: var(--space-3);
}

/* ----- Karten minimieren, umsortieren & Ansicht zuruecksetzen (Phase 46a/46b, ADR-099/100) ----- */

.workspace-card__titlebar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0 0 var(--space-4);
    padding: 0 0 var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.workspace-card__titlebar h2,
.workspace-card__heading {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.workspace-card__toggle {
    flex: 0 0 auto;
    display: inline-grid;
    width: 34px;
    height: 34px;
    place-items: center;
    padding: 0;
    border: 1px solid var(--color-border-strong);
    border-radius: 999px;
    background: var(--color-surface-strong);
    color: var(--color-text-muted);
    font: inherit;
    box-shadow: var(--shadow-control-raised);
    cursor: pointer;
    transition: background-color var(--transition-theme), border-color var(--transition-theme),
        color var(--transition-theme), box-shadow var(--transition-theme);
}

.workspace-card__toggle:hover {
    border-color: var(--color-accent-blue-strong);
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.workspace-card__toggle:active {
    box-shadow: var(--shadow-control-pressed);
}

.workspace-card__toggle-icon {
    position: relative;
    display: block;
    width: 14px;
    height: 14px;
}

.workspace-card__toggle-icon::before,
.workspace-card__toggle-icon::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 1px;
    width: 12px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.workspace-card__toggle-icon::after {
    top: 1px;
    left: 6px;
    width: 2px;
    height: 12px;
    opacity: 0;
}

[data-card-layout-toggle][aria-expanded="false"] .workspace-card__toggle-icon::after {
    opacity: 1;
}

.workspace-card__drag-handle {
    flex: 0 0 auto;
    display: inline-grid;
    width: 30px;
    height: 34px;
    place-items: center;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    color: var(--color-text-muted);
    line-height: 1;
    cursor: grab;
    user-select: none;
}

.workspace-card__drag-handle:hover {
    border-color: var(--color-border);
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.workspace-card__drag-handle:active {
    cursor: grabbing;
}

.workspace-card__drag-handle > span {
    pointer-events: none;
}

.workspace-column--reorder-enabled .workspace-card__drag-handle {
    touch-action: none;
}

.workspace-column--config:not(.workspace-column--reorder-enabled) .workspace-card__drag-handle {
    cursor: default;
}

.workspace-card--dragging {
    z-index: 120;
    overflow: hidden;
    pointer-events: none;
    opacity: .96;
    box-shadow: var(--shadow-float);
    cursor: grabbing;
    will-change: transform;
    transition: none;
}

.workspace-card__drop-indicator {
    flex: 0 0 14px;
    min-height: 14px;
    border-top: 3px solid var(--color-accent-blue-strong);
    border-bottom: 3px solid transparent;
    background: var(--color-focus-ring);
    box-shadow: 0 -1px 0 var(--color-accent-blue-strong);
    pointer-events: none;
    transition: none;
}

.card-reorder-active,
.card-reorder-active * {
    cursor: grabbing !important;
    user-select: none !important;
}

.workspace-card--minimized > :not(.workspace-card__titlebar) {
    display: none !important;
}

.workspace-card--minimized .workspace-card__titlebar {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.workspace-card__summary {
    display: none;
    min-width: 0;
    max-width: min(52%, 28rem);
    overflow: hidden;
    color: var(--color-text-muted);
    font-size: .82rem;
    font-weight: 400;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workspace-card--minimized .workspace-card__summary,
.workspace-card--collapsible:not([open]) .workspace-card__summary {
    display: block;
}

/* ----- Würfel-Übungsfamilie (Phase 45e, ADR-092) ----- */

.placement-controls {
    min-width: 0;
}

.form-row--fieldset.placement-mode-segmented,
.form-row--fieldset.groove-change-segmented,
.form-row--fieldset.bass-snare-mode-segmented,
.form-row--fieldset.page-fill-distribution-segmented {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-1);
    margin-bottom: var(--space-5);
    padding: var(--space-1);
    background: var(--color-surface-soft);
}

.placement-controls :is(#accent-anchor-row, #accent-displacement-row, #accent-density-row) {
    column-gap: var(--space-3);
}

.placement-controls :is(#accent-anchor, #accent-displacement, #accent-density) {
    width: min(100%, 260px);
    justify-self: start;
}

.placement-mode-segmented legend,
.groove-change-segmented legend,
.bass-snare-mode-segmented legend,
.page-fill-distribution-segmented legend {
    grid-column: 1 / -1;
    margin: 0 0 var(--space-2);
    color: var(--color-text);
}

.placement-mode-segmented .radio-label,
.groove-change-segmented .radio-label,
.bass-snare-mode-segmented .radio-label,
.page-fill-distribution-segmented .radio-label {
    position: relative;
    display: block;
    min-width: 0;
}

.placement-mode-segmented .radio-label input,
.groove-change-segmented .radio-label input,
.bass-snare-mode-segmented .radio-label input,
.page-fill-distribution-segmented .radio-label input {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
}

.placement-mode-segmented .radio-label span,
.groove-change-segmented .radio-label span,
.bass-snare-mode-segmented .radio-label span,
.page-fill-distribution-segmented .radio-label span {
    display: block;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: calc(var(--radius-control) - 2px);
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.3;
    text-align: center;
    transition: background-color var(--transition-theme), border-color var(--transition-theme),
        color var(--transition-theme), box-shadow var(--transition-theme);
}

.placement-mode-segmented .radio-label:hover span,
.groove-change-segmented .radio-label:hover span,
.bass-snare-mode-segmented .radio-label:hover span,
.page-fill-distribution-segmented .radio-label:hover span {
    background: var(--color-surface-hover);
}

.placement-mode-segmented .radio-label input:checked + span,
.groove-change-segmented .radio-label input:checked + span,
.bass-snare-mode-segmented .radio-label input:checked + span,
.page-fill-distribution-segmented .radio-label input:checked + span {
    border-color: var(--color-accent-blue-strong);
    background: var(--color-accent-blue-strong);
    color: var(--color-on-accent);
}

.placement-mode-segmented .radio-label input:focus-visible + span,
.groove-change-segmented .radio-label input:focus-visible + span,
.bass-snare-mode-segmented .radio-label input:focus-visible + span,
.page-fill-distribution-segmented .radio-label input:focus-visible + span {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.form-row--fieldset.groove-change-segmented,
.form-row--fieldset.bass-snare-mode-segmented,
.form-row--fieldset.page-fill-distribution-segmented {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-fill-toggle-row {
    margin-bottom: 0;
}

.quantity-mode-control {
    position: relative;
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(100%, 360px);
    padding: var(--space-1);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
    cursor: pointer;
}

.quantity-mode-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.quantity-mode-control span {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-control);
    color: var(--color-text-muted);
    text-align: center;
}

.quantity-mode-control:not(:has(input:checked)) .quantity-mode-control__bars,
.quantity-mode-control:has(input:checked) .quantity-mode-control__pages {
    background: var(--color-surface-strong);
    box-shadow: var(--shadow-control-raised);
    color: var(--color-primary);
    font-weight: 700;
}

.quantity-mode-control:has(input:focus-visible) {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.quantity-mode-control:has(input:disabled) {
    opacity: .55;
    cursor: not-allowed;
}

.page-fill-options__heading {
    margin: 0;
    color: var(--color-primary);
    font-size: 1rem;
}

.page-fill-options {
    display: grid;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.bars-mode-options {
    min-width: 0;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.page-fill-options > .form-row,
.page-fill-options > .form-row--fieldset {
    margin-bottom: 0;
}

.form-row--fieldset.page-fill-choice-row {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-2);
}

.page-fill-choice-row legend {
    grid-column: 1;
    padding-top: 7px;
}

.page-fill-choice-grid {
    grid-column: 2;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.page-fill-choice-grid .checkbox-label {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 36px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface-soft);
    color: var(--color-text);
    cursor: pointer;
}

.page-fill-choice-grid .checkbox-label:has(input:checked) {
    border-color: var(--color-accent-blue-strong);
    color: var(--color-primary);
    font-weight: 700;
}

.page-fill-choice-grid .checkbox-label:has(input:disabled) {
    opacity: .52;
    cursor: not-allowed;
}

.page-fill-choice-grid input {
    width: auto;
    margin: 0;
}

.page-fill-warning {
    margin: 0;
}

/* ----- Rudiment-Katalog, Editoren und Fussbegleitung (Phase 54a-54c) ----- */

.rudiment-search-row {
    margin-bottom: var(--space-2);
}

.rudiment-catalog-status {
    grid-column: auto;
    min-height: 24px;
    margin: 0 0 var(--space-3);
}

.rudiment-catalog {
    display: grid;
    gap: var(--space-4);
    max-height: 560px;
    overflow: auto;
    padding: 2px var(--space-2) 2px 2px;
    scrollbar-gutter: stable;
}

.rudiment-category {
    display: grid;
    gap: var(--space-2);
}

.rudiment-category__heading {
    position: sticky;
    top: 0;
    z-index: 1;
    margin: 0;
    padding: 4px 0;
    background: var(--color-surface-strong);
    color: var(--color-text-muted);
    font-size: 13px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.rudiment-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
}

.rudiment-item {
    display: grid;
    gap: var(--space-2);
    min-width: 0;
    min-height: 92px;
    padding: 11px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-theme), border-color var(--transition-theme),
        color var(--transition-theme), box-shadow var(--transition-theme);
}

.rudiment-item:hover {
    border-color: var(--color-accent-blue-strong);
    background: var(--color-surface-hover);
}

.rudiment-item--selected,
.rudiment-item--selected:hover {
    border-color: var(--color-accent-blue-strong);
    background: var(--color-accent-blue-strong);
    color: var(--color-on-accent);
    box-shadow: var(--shadow-control-pressed);
}

.rudiment-item__names {
    display: grid;
    gap: 1px;
    min-width: 0;
}

.rudiment-item__name-de {
    font-weight: 750;
    overflow-wrap: anywhere;
}

.rudiment-item__name-en {
    color: var(--color-text-muted);
    font-size: 13px;
    overflow-wrap: anywhere;
}

.rudiment-item--selected .rudiment-item__name-en {
    color: var(--color-on-accent);
    opacity: .82;
}

.rudiment-item__metadata {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px 8px;
    font-size: 12px;
}

.rudiment-item__metadata > span {
    padding: 2px 7px;
    border: 1px solid currentColor;
    border-radius: 999px;
}

.rudiments-section {
    container-name: rudiments-card;
    container-type: inline-size;
}

.rudiment-editor-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.rudiment-editor {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: var(--space-3);
    min-width: 0;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
}

.rudiment-editor__heading-row {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: var(--space-2);
}

.rudiment-editor__heading-row > div {
    min-width: 0;
}

.rudiment-editor__heading-row h3,
.rudiment-editor__heading-row p {
    margin: 0;
}

.rudiment-editor__heading-row h3 {
    overflow-wrap: anywhere;
}

.rudiment-editor__heading-row .btn {
    flex: 0 0 auto;
}

.rudiment-editor__list {
    display: grid;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.rudiment-editor__item {
    display: grid;
    grid-template-columns: minmax(80px, 1fr) auto;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    padding: 8px 9px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-strong);
}

.rudiment-editor__value {
    min-width: 0;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.rudiment-editor__number {
    width: min(100%, 120px);
}

.rudiment-editor__actions {
    display: flex;
    align-items: center;
    gap: 5px;
}

.rudiment-editor__move,
.rudiment-editor__remove {
    min-height: 34px;
    padding: 6px 9px;
}

.rudiment-editor__move {
    min-width: 34px;
    font-size: 17px;
}

.rudiment-editor__remove:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.rudiment-editor__add-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
    align-items: end;
}

.rudiment-editor__add-row label {
    grid-column: 1 / -1;
    font-weight: 600;
}

.rudiment-editor__add-sequence {
    justify-self: start;
}

/* Der Foundation-Tablet-Breakpoint reagiert hier auf die Karten- statt
   Viewportbreite, weil der Desktop-Workspace selbst zweispaltig bleibt. */
@container rudiments-card (max-width: 680px) {
    .rudiment-editor-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .rudiment-editor__heading-row {
        display: grid;
    }

    .rudiment-editor__heading-row .btn {
        justify-self: start;
    }

    .rudiment-editor__item {
        grid-template-columns: minmax(0, 1fr);
    }

    .rudiment-editor__actions {
        flex-wrap: wrap;
    }
}

.rudiment-options {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.form-row--fieldset.rudiment-segmented {
    grid-template-columns: 220px repeat(3, minmax(0, 1fr));
    margin: 0;
}

.rudiment-segmented .radio-label {
    justify-content: center;
    min-width: 0;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    background: var(--color-surface-soft);
}

.rudiment-segmented .radio-label:has(input:checked) {
    border-color: var(--color-accent-blue-strong);
    color: var(--color-primary);
    font-weight: 700;
}

.rudiment-segmented input {
    width: auto;
}

.rudiment-orchestration-hint {
    grid-column: 2 / -1;
}

.rudiment-accompaniment {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.rudiment-accompaniment h3,
.rudiment-accompaniment .form-row,
.rudiment-accompaniment .patterns-desc {
    margin-top: 0;
    margin-bottom: 0;
}

.rudiment-accompaniment .conditional-options {
    display: grid;
    gap: var(--space-3);
}

@media (max-width: 560px) {
    .form-row--fieldset.placement-mode-segmented,
    .form-row--fieldset.groove-change-segmented,
    .form-row--fieldset.page-fill-distribution-segmented {
        grid-template-columns: 1fr;
    }

    .form-row--fieldset.page-fill-choice-row {
        grid-template-columns: 1fr;
    }

    .page-fill-choice-row legend,
    .page-fill-choice-grid {
        grid-column: 1;
    }

    .rudiment-list {
        grid-template-columns: minmax(0, 1fr);
    }

    .form-row--fieldset.rudiment-segmented {
        grid-template-columns: minmax(0, 1fr);
    }

    .rudiment-orchestration-hint {
        grid-column: 1;
    }
}

.conditional-options {
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

.workspace-card--collapsible {
    padding: 0;
}

.workspace-card--collapsible > summary.workspace-card__titlebar {
    margin: 0;
    padding: var(--space-4) var(--space-5);
    border: 0;
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.workspace-card--collapsible > summary::-webkit-details-marker {
    display: none;
}

.workspace-card--collapsible > summary .workspace-card__toggle {
    pointer-events: none;
}

.workspace-card--collapsible > summary:hover .workspace-card__toggle {
    border-color: var(--color-accent-blue-strong);
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.workspace-card__collapsible-content {
    margin: 0 var(--space-5);
    padding: var(--space-4) 0 var(--space-5);
    border-top: 1px solid var(--color-border);
}

.segmented-select {
    border-color: var(--color-border-strong);
    border-radius: 999px;
    background-color: var(--color-surface-soft);
    font-weight: 600;
}

.patterns-grid--chips {
    gap: var(--space-2);
}

.patterns-grid--chips .pattern-item {
    position: relative;
    gap: var(--space-2);
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface-soft);
    color: var(--color-text);
    transition: background-color var(--transition-theme), border-color var(--transition-theme),
        color var(--transition-theme);
}

.patterns-grid--chips .pattern-item input:checked + span {
    color: var(--color-primary);
    font-weight: 700;
}

.patterns-grid--chips .pattern-item:focus-within {
    outline: 2px solid var(--color-accent-blue-strong);
    outline-offset: 2px;
}

.workspace-card__compact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: var(--space-3) var(--space-4);
}

.workspace-card__compact-grid > .form-row {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: var(--space-1);
    margin-bottom: 0;
}

.workspace-card__compact-grid > .form-row > * {
    min-width: 0;
    max-width: 100%;
    grid-column: 1;
}

.exercise-type-mirror {
    min-width: 0;
    display: grid;
    gap: var(--space-1);
}

.exercise-type-mirror__label {
    font-size: 14px;
    color: var(--color-text);
}

.exercise-type-mirror__value {
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
    color: var(--color-text);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.workspace-card__compact-grid--exercise > .four-two-one-toggle {
    min-width: 0;
    padding-top: 2px;
}

h2 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
}

/* ----- Form rows ----- */

.form-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.form-row:last-child {
    margin-bottom: 0;
}

/*
 * Phase 5b: Checkbox-Zeile (Fussbegleitung). Layout-Spalte 1 leer halten,
 * damit die Checkbox bündig mit den Form-Inputs daneben startet und die
 * vorhandene 220px-Label-Spalte respektiert wird.
 */
.form-row--checkbox {
    grid-template-columns: 220px 1fr;
    align-items: start;
}

.form-row--checkbox .checkbox-label {
    grid-column: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
}

.form-row--checkbox .checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-row__hint {
    grid-column: 2;
    margin: 4px 0 0;
    font-size: var(--font-size-description);
    color: var(--color-text-muted);
}

/*
 * Phase 36d (ADR-072): Notenwert-Mehrfachauswahl der Uebungsart Rhythmus.
 * Label links in der bestehenden 220px-Spalte, die vier Checkboxen als
 * umbrechende Reihe in der Bedienelement-Spalte.
 */
.form-row__label {
    font-size: 14px;
    color: var(--color-text);
    align-self: start;
    padding-top: 2px;
}

.rhythm-note-values {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
}

.rhythm-note-values .checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
}

.rhythm-note-values .checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.rhythm-note-values .form-row__hint {
    flex-basis: 100%;
    grid-column: auto;
}

/*
 * 4-2-1-Toggle direkt neben dem Übungsart-Dropdown.
 * Breit: Dropdown (links, flex-grow) + Toggle (rechts, natürliche Breite).
 * Schmal: Toggle bricht als eigene Zeile unter das Dropdown.
 */
.exercise-type-pair {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    margin-bottom: 12px;
}

.exercise-type-pair > .form-row {
    flex: 1 1 auto;
    margin-bottom: 0;
    min-width: 0;
}

.exercise-type-pair > .four-two-one-toggle {
    flex: 1 1 100%;
    min-width: 0;
    max-width: 100%;
}

.four-two-one-toggle {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.four-two-one-toggle .form-row__hint {
    grid-column: unset;
    margin: 0;
}

@media (max-width: 560px) {
    .four-two-one-toggle {
        flex: 1 1 100%;
    }

    .workspace-card__compact-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/*
 * Phase 5c.4b (ADR-028): Open-Handed Händigkeits-Auswahl (Radio-Buttons).
 * Das <fieldset> traegt das native disabled-Attribut (ADR-009-Pattern).
 */
.handedness-choice {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin: 10px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.handedness-choice:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Phase 5c.5b: Pausen-Darstellung (Radio, nur bei aktiven Pausen) */
.form-row--fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
}

.form-row--fieldset:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.form-row--fieldset legend {
    font-size: 13px;
    font-weight: 600;
    padding: 0 4px;
}

.handedness-choice__legend {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    padding: 0 4px 0 0;
    width: 100%;
}

.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    margin: 0;
}

.accent-mode-group__disabled {
    color: var(--color-text);
    cursor: not-allowed;
}

.accent-mode-group small {
    font-size: var(--font-size-description);
    color: var(--color-muted);
}

.handedness-choice:disabled .radio-label {
    cursor: not-allowed;
}

@media (max-width: 560px) {
    .handedness-choice {
        flex-direction: column;
        align-items: flex-start;
    }
}

/*
 * Phase 5c.1: Disabled-Zustand fuer das Pausenanteil-Dropdown (ADR-009 /
 * ADR-017). Das Element bleibt sichtbar, ist aber visuell und semantisch
 * als nicht-bedienbar gekennzeichnet (opacity + cursor + aria-disabled in
 * app.js). Greift fuer jedes <select> mit nativem disabled-Attribut, ist
 * also nicht selektor-spezifisch.
 */
select:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    background-color: var(--color-surface-soft);
}

label {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
}

input[type="text"],
input[type="search"],
input[type="number"],
select {
    font-family: var(--font-stack);
    font-size: 14px;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-strong);
    color: var(--color-text);
    width: 100%;
    max-width: 380px;
    transition: border-color .15s;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent-blue-strong);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* ----- Bars list ----- */

.bars-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

/* Phase 45g: Ein einzelner aktiver Editor haelt die Kartenhoehe unabhaengig
   von der Taktzahl stabil. Die Auswahl fliesst zeilenweise durch exakt zwei
   Zeilen; auf schmalen Flaechen bleibt die Seite ueber internes Scrollen frei
   von horizontalem Ueberlauf und die Touch-Ziele bleiben mindestens 44px. */
.bar-selector {
    display: grid;
    grid-template-rows: repeat(2, 44px);
    grid-auto-flow: row;
    grid-auto-columns: 44px;
    gap: 8px;
    height: 110px;
    min-height: 110px;
    margin: 0 0 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
}

.bar-selector__button:nth-child(-n + 16) {
    grid-row: 1;
}

.bar-selector__button:nth-child(n + 17) {
    grid-row: 2;
}

.bar-selector__button {
    min-width: 44px;
    min-height: 44px;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-strong);
    color: var(--color-text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.bar-selector__button:hover {
    border-color: var(--color-accent-blue-strong);
}

.bar-selector__button:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
    border-color: var(--color-accent-blue-strong);
}

.bar-selector__button[aria-current="true"] {
    border-color: var(--color-accent-green);
    background: var(--color-accent-green);
    color: var(--color-on-green);
}

.bar-entry {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
    gap: 10px;
    padding: 10px 14px;
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.bar-entry label {
    font-size: 13px;
}

.bar-entry select,
.bar-entry input[type="number"] {
    max-width: 100%;
    font-size: 13px;
    padding: 5px 8px;
}

.repetitions-control {
    display: grid;
    gap: 4px;
}

.repetitions-segments {
    display: inline-grid;
    grid-template-columns: repeat(5, minmax(32px, 1fr));
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-surface-strong);
}

.repetitions-segment {
    appearance: none;
    border: 0;
    border-right: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    min-height: 32px;
    padding: 0 8px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
}

.repetitions-segment:last-child {
    border-right: 0;
}

.repetitions-segment:hover,
.repetitions-segment:focus {
    background: var(--color-surface-hover);
    outline: none;
}

.repetitions-segment--active {
    background: var(--color-accent-green);
    color: var(--color-on-green);
}

.repetitions-segment--active:hover,
.repetitions-segment--active:focus {
    background: var(--color-accent-green);
    color: var(--color-on-green);
}

.repetitions-hint {
    font-size: var(--font-size-description);
    color: var(--color-muted);
}

.bar-index {
    font-size: 12px;
    color: var(--color-text);
    margin-right: 4px;
    min-width: 24px;
    font-weight: 600;
}

.bars-hint {
    font-size: var(--font-size-description);
    color: var(--color-muted);
    margin: 4px 0 0;
}

.bar-entry .bar-index,
.bar-entry .repetitions-control,
.bar-entry .btn--remove {
    grid-column: 1 / -1;
}

.bar-entry .btn--remove {
    justify-self: start;
}

.bars-hints {
    min-height: 40px;
    padding-top: 4px;
}

.bars-hints .bars-hint {
    margin: 0;
}

.bars-counter {
    font-size: 13px;
    color: var(--color-text);
    font-weight: 600;
    margin: 0 0 8px;
}

/* ----- Feasibility-Toast (Phase 5c.3b — Pastellgruen) ----- */

/*
 * Schwebende Statuskarte, horizontal zentriert im oberen Viewport-
 * Bereich (position:fixed statt absolute, damit der Toast beim Scrollen
 * sichtbar bleibt). Die solide Oberflaeche vermeidet eine weitere Blur-Ebene.
 *
 * Ein- und Ausblenden via JS-Klasse .feasibility-toast--visible.
 * Basis-Transform enthaelt bereits das horizontale Zentrierung (translateX(-50%))
 * plus den Animation-Offset; .--visible setzt nur den Y-Offset zurueck.
 */
.feasibility-toast {
    position: fixed;
    top: 18%;
    left: 50%;
    width: 480px;
    max-width: 90vw;
    min-height: 80px;

    background: var(--color-success-surface);
    border: 1px solid var(--color-transparent-border);
    border-radius: 14px;
    box-shadow: var(--shadow-float);

    padding: 20px 52px 20px 20px;
    z-index: 1000;

    /* Animation-Ausgangszustand (versteckt) */
    opacity: 0;
    transform: translateX(-50%) translateY(-10px) scale(0.97);
    pointer-events: none;
    transition: opacity 200ms ease, transform 200ms ease;
}

.feasibility-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
    pointer-events: auto;
}

.feasibility-toast__close {
    position: absolute;
    top: 10px;
    right: 10px;
    /* Touch-Target mind. 32x32px */
    min-width: 32px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 16px;
    line-height: 1;
    color: var(--color-text);
    cursor: pointer;
    border-radius: 6px;
    font-family: var(--font-stack);
}

.feasibility-toast__close:hover {
    background: var(--color-surface-soft);
    color: var(--color-success-text);
}

.feasibility-hint {
    margin: 0;
    font-size: var(--font-size-description);
    color: var(--color-success-text);
    line-height: 1.55;
}

.feasibility-hint + .feasibility-hint {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--color-transparent-border);
}

/* ----- Patterns grid ----- */

.patterns-desc {
    font-size: var(--font-size-description);
    color: var(--color-muted);
    margin: 0 0 12px;
}

.patterns-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-bottom: 10px;
}

.pattern-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-family: "Courier New", Courier, monospace;
    cursor: pointer;
}

.pattern-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    cursor: pointer;
    accent-color: var(--color-accent-blue-strong);
}

.patterns-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}

/* Fuss-Ostinato-Auswahl als EIGENE Sektionskarte (Phase 27c-fix, ADR-059):
   dieselbe .patterns-section-Karte + h2-Ueberschrift wie die Pattern-Auswahl
   (Container, Rahmen, blaue Ueberschrift mit Trennlinie kommen von den bestehenden
   .patterns-section-/h2-Regeln). Kein neues Design-System -- nur vorhandene Mittel. */

/* Muster-Tabelle: pro Zeile eine Checkbox und das B/H/X-Muster (reine Anzeige,
   keine Kategorie-/Stilnamen), aufgeloest fuer die aktuelle Taktart/Gruppierung.
   Die Chips fliessen in die jeweils freie Zeilenbreite, damit kurze und lange
   Muster den Kartenraum ohne reservierte Leerspalten nutzen. Ausgegraut
   (Sperr-Regel §8.9/ADR-009), solange die Fussbegleitung deaktiviert ist. */
.ostinatos-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    overflow-x: auto;
    gap: 8px;
    margin: 6px 0 8px;
}

.ostinato-item {
    display: flex;
    flex: 1 1 180px;
    align-items: center;
    gap: 8px;
    min-width: 0;
    max-width: 250px;
    min-height: 44px;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-soft);
    font-size: 14px;
    cursor: pointer;
}

.ostinato-item--wide {
    flex: 0 0 auto;
    width: max-content;
    max-width: none;
}

.ostinato-item--wide .ostinato-pattern {
    white-space: nowrap;
    overflow-wrap: normal;
}

.ostinato-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-accent-blue-strong);
}

/* B/H/X-Muster monospace, damit die Zellen der einzelnen Grundschlaege
   untereinander buendig stehen (Tabellen-Charakter). */
.ostinato-pattern {
    min-width: 0;
    font-family: "Courier New", Courier, monospace;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: normal;
    overflow-wrap: anywhere;
}

.ostinato-item input[type="checkbox"]:disabled,
.ostinato-item input[type="checkbox"]:disabled + span {
    cursor: not-allowed;
    opacity: 0.55;
}

/* Phase 55f: geschichtete HiHat-Muster-Auswahl. Die Oberflaeche nutzt dieselben
   Karten-, Form- und Checkbox-Tokens wie die Fuss-Ostinato-Auswahl. */
.hihat-pattern-toggle-row {
    margin-top: 4px;
}

.hihat-pattern-options {
    display: grid;
    min-width: 0;
    gap: 12px;
    margin: 4px 0 14px;
}

.hihat-pattern-options[hidden] {
    display: none;
}

.hihat-pattern-layer {
    min-width: 0;
    margin: 0;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-soft);
}

.hihat-pattern-layer > legend {
    padding: 0 6px;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 700;
}

.hihat-pattern-layer > .form-row__hint {
    margin: 0 0 10px;
}

.hihat-pattern-grid {
    display: grid;
    min-width: 0;
    gap: 12px;
    margin-bottom: 10px;
}

.hihat-pattern-group {
    min-width: 0;
}

.hihat-pattern-group__heading {
    margin: 0 0 6px;
    color: var(--color-text-muted);
    font-size: 12px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.hihat-pattern-group__items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
    gap: 6px;
    min-width: 0;
}

.hihat-pattern-item {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
    gap: 7px;
    min-width: 0;
    min-height: 40px;
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-strong);
    cursor: pointer;
}

.hihat-pattern-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--color-accent-blue-strong);
}

.hihat-pattern-item__id {
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 700;
}

.hihat-pattern-item__pattern {
    min-width: 0;
    overflow-wrap: anywhere;
    color: var(--color-text);
    font-family: "Courier New", Courier, monospace;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    text-align: right;
}

.hihat-pattern-item:has(input:checked) {
    border-color: var(--color-accent-blue-strong);
}

.hihat-pattern-item:has(input:disabled) {
    cursor: not-allowed;
    opacity: .55;
}

.hihat-pattern-warning {
    margin: 8px 0 0;
    padding: 8px 10px;
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius);
    background: var(--color-error-bg);
    color: var(--color-error-text);
    font-size: 13px;
}

.hihat-change-unit-row {
    margin: 0;
}

.pattern-warning {
    font-size: 13px;
    color: var(--color-error-text);
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius);
    padding: 6px 10px;
    margin: 4px 0 0;
}

/* ----- Beat-Matrix-Workspace (Phase 44b/45i, ADR-096) ----- */

.workspace-shell--beat-matrix .beat-matrix-section {
    border-color: var(--color-border-strong);
    background: linear-gradient(145deg, var(--color-surface-strong), var(--color-surface-soft));
    box-shadow: var(--shadow-panel), inset 0 1px 0 rgba(255, 255, 255, .08);
}

.beat-matrix-section--locked .beat-matrix-fieldset {
    opacity: .48;
}

.beat-matrix-fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.beat-matrix-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 18px;
    margin-bottom: 10px;
}

.beat-matrix-toolbar__group {
    min-height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
}

.beat-matrix-resolution,
.beat-matrix-lines-row {
    margin: 0;
}

.beat-matrix-lines-row,
.beat-matrix-zoom {
    padding: 8px 12px;
}

.beat-matrix-zoom {
    display: grid;
    grid-template-columns: auto minmax(92px, 1fr) 42px;
    align-items: center;
    gap: 8px;
}

.beat-matrix-zoom input {
    min-width: 92px;
    accent-color: var(--color-accent-blue-strong);
}

.beat-matrix-zoom output {
    color: var(--color-text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.beat-matrix-random-placeholder {
    margin-left: auto;
}

.beat-matrix-metric-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 0 0 8px;
    padding: 0;
    color: var(--color-text-muted);
    font-size: 12px;
    list-style: none;
}

.beat-matrix-metric-legend li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.beat-matrix-metric-legend__line {
    display: inline-block;
    width: 18px;
    height: 14px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    background: var(--color-surface-strong);
}

.beat-matrix-metric-legend__line--beat {
    border-left: 2px solid var(--color-border-strong);
}

.beat-matrix-metric-legend__line--group {
    border-left: 4px solid var(--color-accent-blue-strong);
}

.beat-matrix-resolution {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
}

.beat-matrix-resolution legend {
    font-size: 13px;
    font-weight: 600;
}

.beat-matrix-lines-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.beat-matrix-lines-row select {
    width: auto;
}

.beat-matrix-scroll {
    max-width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    background: var(--color-surface-strong);
    overscroll-behavior-inline: contain;
    scrollbar-color: var(--color-accent-blue-strong) var(--color-surface-soft);
    scrollbar-width: thin;
}

.beat-matrix-scroll:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.beat-matrix-grid {
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
    min-width: max-content;
}

.beat-matrix-grid th,
.beat-matrix-grid td {
    width: var(--beat-matrix-cell-size);
    min-width: var(--beat-matrix-cell-size);
    height: var(--beat-matrix-cell-size);
    padding: 0;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.beat-matrix-grid thead th {
    height: 26px;
    background: var(--color-surface-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
}

.beat-matrix-grid tr:last-child th,
.beat-matrix-grid tr:last-child td {
    border-bottom: 0;
}

.beat-matrix-grid th:last-child,
.beat-matrix-grid td:last-child {
    border-right: 0;
}

.beat-matrix-grid .beat-matrix-instrument {
    position: sticky;
    left: 0;
    z-index: 2;
    width: 118px;
    min-width: 118px;
    padding: 0 12px;
    background: var(--color-surface-soft);
    color: var(--color-text);
    text-align: left;
    font-size: 12px;
    white-space: nowrap;
    border-right: 3px solid var(--color-border-strong);
    box-shadow: none;
}

.beat-matrix-grid .beat-matrix-corner {
    z-index: 3;
    color: var(--color-primary);
}

.beat-matrix-grid .beat-matrix-separator--beat {
    border-left: 2px solid var(--color-border-strong);
}

.beat-matrix-grid .beat-matrix-separator--group {
    border-left: 4px solid var(--color-accent-blue-strong);
}

.beat-matrix-cell {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: var(--color-surface-strong);
    color: var(--color-on-accent);
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
}

.beat-matrix-cell:hover {
    background: var(--color-surface-hover);
}

.beat-matrix-cell:focus-visible {
    position: relative;
    z-index: 1;
    outline: 3px solid var(--color-accent-blue-strong);
    outline-offset: -3px;
}

.beat-matrix-cell--active,
.beat-matrix-cell--active:hover {
    background: var(--color-accent-blue-strong);
    box-shadow: none;
    font-weight: 800;
}

.beat-matrix-actions,
.beat-list-heading,
.beat-list-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.beat-matrix-actions {
    margin-top: 14px;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
}

.beat-list-heading {
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.beat-list-heading h3 {
    margin: 0;
    font-size: 15px;
}

.beat-list {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin: 10px 0 6px;
    padding-left: 0;
    list-style: none;
}

.beat-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-soft);
}

.workspace-shell--beat-matrix .preview-band--warning {
    border-color: var(--color-warning-border);
    border-left-color: var(--color-accent-orange);
    background: var(--color-warning-bg);
    box-shadow: none;
}

.beat-list-item--editing {
    border-color: var(--color-accent-blue-strong);
    border-left-width: 4px;
}

.beat-list-description {
    font-size: var(--font-size-description);
    font-weight: 600;
}

@media (max-width: 680px) {
    .beat-matrix-zoom {
        width: 100%;
    }

    .beat-matrix-random-placeholder {
        margin-left: 0;
    }

    .beat-list-item {
        align-items: flex-start;
        flex-direction: column;
    }

    .beat-matrix-actions .btn {
        width: 100%;
    }
}

.loading-indicator {
    font-size: 14px;
    color: var(--color-text);
    font-style: italic;
}

/* ----- Buttons ----- */

.btn {
    font-family: var(--font-stack);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    padding: 9px 20px;
    border: none;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    line-height: 1;
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-accent-blue-strong);
    color: var(--color-on-accent);
}

.btn--primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn--primary:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.btn--preview-primary {
    background: var(--color-accent-orange);
    color: var(--color-on-accent);
}

.btn--preview-primary:hover:not(:disabled) {
    background: var(--color-accent-orange-hover);
}

.btn--preview-primary:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.btn--secondary {
    background: var(--color-surface-soft);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--color-surface-hover);
}

.btn--secondary:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.btn--link {
    background: none;
    color: var(--color-primary);
    padding: 4px 8px;
    font-weight: 500;
    text-decoration: underline;
    font-size: 13px;
}

.btn--link:hover {
    color: var(--color-primary-hover);
}

.btn--remove {
    background: none;
    color: var(--color-error-text);
    border: 1px solid var(--color-error-border);
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius);
}

.btn--remove:hover {
    background: var(--color-error-bg);
}

/* ----- Error banner ----- */

.error-banner {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error-text);
    border-radius: var(--radius);
    padding: 12px 18px;
    font-size: 14px;
}

/* ----- Preview ----- */

.preview-area {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.preview-toolbar {
    position: sticky;
    top: 0;
    z-index: 4;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0 var(--space-3);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.preview-toolbar__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.preview-status-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
}

.preview-band {
    width: 100%;
    margin: 0;
    padding: 9px 12px;
    border: 1px solid var(--color-warning-border);
    border-left: 4px solid var(--color-accent-orange);
    border-radius: var(--radius-control);
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    font-size: 13px;
    line-height: 1.45;
}

.preview-ready-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    padding: 5px 9px;
    border: 1px solid var(--color-accent-green);
    border-radius: 999px;
    background: var(--color-success-surface);
    color: var(--color-success-text);
    font-size: 12px;
    font-weight: 700;
}

.preview-ready-status__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent-green);
}

.preview-viewer {
    position: relative;
    min-width: 0;
    min-height: 240px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(14px, 2vw, 28px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-viewer);
    max-height: calc(100vh - var(--sticky-bars-height) - 230px);
    overflow: auto;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}

.preview-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: max-content;
    max-width: calc(100% - 24px);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-accent-green);
    border-radius: var(--radius-control);
    background: var(--color-success-surface);
    color: var(--color-success-text);
    box-shadow: var(--shadow-control-raised);
    font-size: 14px;
    font-weight: 600;
}

.preview-loading__spinner {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent-green);
    border-radius: 50%;
    animation: preview-loading-spin 0.8s linear infinite;
}

@keyframes preview-loading-spin {
    to { transform: rotate(360deg); }
}

.preview-loading:not([hidden]) ~ .preview-placeholder {
    visibility: hidden;
}

.preview-placeholder {
    color: var(--color-muted);
    font-style: italic;
    font-size: 14px;
    margin: auto;
}

.preview-pages {
    width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
}

.preview-page-frame {
    width: 100%;
    min-width: 0;
    display: flex;
    justify-content: flex-start;
}

.preview-page {
    flex: 0 0 auto;
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 3px;
    background: var(--color-document);
    box-shadow: var(--shadow-document);

    /* Vorschau-Schutz (ADR-014, Phase 5a.8): erschwert das einfache Speichern
       des Vorschau-PNGs. Vollstaendiger Schutz ist im Web nicht moeglich;
       das Wasserzeichen ist die eigentliche Schutz-Schicht. */
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.preview-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.preview-page-indicator {
    min-width: 92px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
}

@media (max-width: 560px) {
    .preview-toolbar,
    .preview-toolbar__actions {
        align-items: stretch;
        flex-direction: column;
        width: 100%;
    }

    .preview-toolbar__actions .btn {
        width: 100%;
    }

    .preview-navigation {
        width: 100%;
        justify-content: space-between;
        gap: 8px;
    }

    .preview-page-indicator {
        min-width: 82px;
    }

    .preview-viewer {
        min-height: 180px;
        max-height: min(68vh, 720px);
        padding: var(--space-3);
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-viewer {
        scroll-behavior: auto;
    }
}

/* =========================================================
   Bug-Report (Phase 14): Header-Button, Modal, Toast.
   Additive Ergaenzung; bestehende Styles unveraendert. Glasmorphism
   konsistent zum Feasibility-Toast.
   ========================================================= */

/* ----- Header-Button ----- */

.help-btn,
.bug-report-btn {
    margin-left: 0;
    align-self: center;
    font-family: var(--font-stack);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-on-accent);
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid var(--color-transparent-border);
    background: var(--color-transparent-light);
    transition: background .15s, opacity .15s;
}

.help-btn:hover:not(:disabled),
.bug-report-btn:hover:not(:disabled) {
    background: var(--color-transparent-light-hover);
}

.help-btn:disabled,
.bug-report-btn:disabled {
    opacity: .45;
    cursor: not-allowed;
}

/* ----- Modal ----- */

.bug-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* hidden-Attribut muss das flex-Layout schlagen. */
.bug-modal[hidden] {
    display: none;
}

.bug-modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--color-modal-backdrop);
}

.bug-modal__dialog {
    position: relative;
    z-index: 1;
    width: 460px;
    max-width: 100%;
    background: var(--color-surface-strong);
    border: 1px solid var(--color-transparent-border);
    border-radius: 14px;
    box-shadow: var(--shadow-float);
    padding: 22px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bug-modal__title {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    border: none;
    padding: 0;
}

.bug-modal__label {
    font-size: 13px;
    color: var(--color-text);
    font-weight: 600;
}

.bug-modal__textarea {
    width: 100%;
    min-height: 110px;
    resize: vertical;
    font-family: var(--font-stack);
    font-size: 14px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-strong);
    color: var(--color-text);
}

.bug-modal__textarea:focus {
    outline: none;
    border-color: var(--color-accent-blue-strong);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.bug-modal__counter {
    align-self: flex-end;
    font-size: 12px;
    color: var(--color-text);
}

.bug-modal__counter--warn {
    color: var(--color-accent-orange);
    font-weight: 600;
}

.bug-modal__counter--danger {
    color: var(--color-error-text);
    font-weight: 700;
}

.bug-modal__toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    margin-top: 2px;
}

.bug-modal__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    justify-content: flex-end;
}

.bug-modal__actions .loading-indicator {
    margin-right: auto;   /* Ladeindikator links, Buttons rechts */
}

/* ----- Bug-Report-Toast ----- */

.bug-toast {
    position: fixed;
    top: 18%;
    left: 50%;
    width: 420px;
    max-width: 90vw;
    z-index: 1200;
    padding: 16px 20px;
    border-radius: 14px;
    box-shadow: var(--shadow-float);
    border: 1px solid var(--color-transparent-border);
    font-size: 15px;
    line-height: 1.5;
    text-align: center;

    opacity: 0;
    transform: translateX(-50%) translateY(-10px) scale(0.97);
    pointer-events: none;
    transition: opacity 200ms ease, transform 200ms ease;
}

.bug-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
    pointer-events: auto;
}

.bug-toast--success {
    background: var(--color-success-surface);
    color: var(--color-success-text);
}

.bug-toast--error {
    background: var(--color-danger-surface);
    color: var(--color-danger-text);
}

@media (max-width: 560px) {
    .bug-modal__dialog { width: 100%; }
    .bug-report-btn { font-size: 12px; padding: 5px 10px; }
}

@media (max-width: 680px) {
    .site-header__inner {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas:
            "branding"
            "mode-controls"
            "actions";
        gap: var(--space-2);
        padding: 10px 16px;
    }

    .site-header__branding {
        grid-area: branding;
    }

    .site-header__mode-controls {
        grid-area: mode-controls;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .view-reset-btn {
        width: 44px;
        padding: 0;
        font-size: 0;
    }

    .view-reset-btn::before {
        content: "↺";
        font-size: 23px;
        line-height: 1;
    }

    .appbar-mode.form-row {
        grid-template-columns: minmax(0, 1fr);
        padding: 4px;
    }

    .appbar-mode label {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .appbar-mode select {
        width: 100%;
    }

    .site-header__mode-controls .theme-toggle {
        min-width: 44px;
        justify-content: center;
        padding: 0 5px;
    }

    .site-header__mode-controls .theme-toggle__option {
        display: none;
    }

    .site-header__actions {
        grid-area: actions;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .appbar-options {
        padding: 0 16px 10px;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: stretch;
    }

    .menu-option__trigger,
    .menu-option:not(.menu-option--flyout) .menu-option__label {
        width: 100%;
    }

    .menu-option__label {
        min-width: 0;
        flex: 1 1 auto;
        white-space: normal;
    }

    .main-content {
        margin: 16px auto;
        padding: 0 12px;
    }

    .workspace-shell,
    .workspace-column {
        gap: var(--space-4);
    }

    .config-section,
    .patterns-section,
    .preview-section {
        padding: 16px;
    }

    .form-row:not(.appbar-mode),
    .form-row--checkbox {
        grid-template-columns: minmax(0, 1fr);
        align-items: start;
    }

    .form-row:not(.appbar-mode) > *,
    .form-row--checkbox .checkbox-label,
    .form-row__hint {
        min-width: 0;
        max-width: 100%;
        grid-column: 1;
    }

    .bar-entry {
        grid-template-columns: minmax(0, 1fr);
    }

    .bar-entry select,
    .bar-entry input,
    .bar-entry button {
        min-width: 0;
        max-width: 100%;
    }
}

@media (min-width: 681px) and (max-width: 1180px) {
    .site-header__inner {
        grid-template-columns: minmax(220px, 1fr) minmax(400px, auto);
        grid-template-areas:
            "branding actions"
            "mode-controls mode-controls";
    }

    .site-header__branding { grid-area: branding; }
    .site-header__mode-controls { grid-area: mode-controls; }
    .site-header__actions { grid-area: actions; }
}

/* Phase 76 Teil B: Tablet-Portrait und Smartphone erhalten zwei Ansichten,
   ohne Controls oder ihren Zustand zu duplizieren. Tablet-Landscape bleibt
   oberhalb von 900px zweispaltig. */
@media (max-width: 900px) {
    .mobile-workspace-tabs {
        position: sticky;
        top: var(--sticky-bars-height);
        z-index: 80;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: var(--workspace-width);
        margin: 0 auto var(--space-4);
        padding: 6px;
        gap: 6px;
        border: 1px solid var(--color-border-strong);
        border-radius: var(--radius-control);
        background: var(--color-surface-strong);
        box-shadow: var(--shadow-control-raised);
    }

    .mobile-workspace-tabs__tab {
        min-width: 44px;
        min-height: 44px;
        padding: 8px 14px;
        border: 1px solid transparent;
        border-radius: calc(var(--radius-control) - 3px);
        background: transparent;
        color: var(--color-text-muted);
        font: inherit;
        font-weight: 700;
        cursor: pointer;
    }

    .mobile-workspace-tabs__tab[aria-selected="true"] {
        border-color: var(--color-border-strong);
        background: var(--color-surface);
        color: var(--color-primary);
        box-shadow: var(--shadow-control-raised);
    }

    .mobile-workspace-tabs__tab:focus-visible {
        outline: 3px solid var(--color-focus-ring);
        outline-offset: 2px;
    }

    .workspace-shell,
    .workspace-shell--rhythm,
    .workspace-shell--beat-matrix,
    .workspace-shell--resized,
    .workspace-shell--resized.workspace-shell--rhythm,
    .workspace-shell--resized.workspace-shell--beat-matrix {
        grid-template-columns: minmax(0, 1fr);
    }

    .workspace-column--preview {
        position: static;
    }

    .workspace-resizer {
        display: none;
    }

    .workspace-column--config {
        display: flex;
    }

    .workspace-shell[data-mobile-view="settings"] .workspace-column--preview,
    .workspace-shell[data-mobile-view="preview"] .workspace-column--config {
        display: none;
    }

    .workspace-card__drag-handle {
        display: none;
    }

    .main-content {
        padding-bottom: calc(150px + env(safe-area-inset-bottom, 0px));
    }

    .mobile-preview-action {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 95;
        display: block;
        padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid var(--color-border-strong);
        background: var(--color-surface-strong);
        box-shadow: 0 -10px 30px rgba(17, 35, 56, .18);
    }

    .mobile-preview-action__inner {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        width: var(--workspace-width);
        margin: 0 auto;
        padding: 0 12px;
    }

    .mobile-preview-action .btn {
        width: 100%;
        min-width: 44px;
        min-height: 44px;
    }

    #mobile-generate-btn {
        grid-column: 1 / -1;
        min-height: 48px;
    }

    button,
    [role="button"],
    .btn,
    .help-btn,
    .bug-report-btn,
    .header-menu__toggle,
    .header-menu__item,
    .theme-toggle,
    .menu-option__label,
    .menu-option__caret,
    .view-reset-btn,
    .workspace-card__toggle,
    .pattern-item,
    .ostinato-item,
    .hihat-pattern-item,
    .radio-label,
    .checkbox-label,
    .repetitions-segment,
    input[type="text"],
    input[type="email"],
    input[type="search"],
    input[type="number"],
    input[type="range"],
    select,
    textarea,
    summary {
        min-height: 44px;
    }

    button,
    [role="button"] {
        min-width: 44px;
    }

    .patterns-grid--chips .pattern-item,
    .feasibility-toast__close {
        min-width: 44px;
        min-height: 44px;
    }

    .beat-matrix-grid th,
    .beat-matrix-grid td {
        width: max(46px, var(--beat-matrix-cell-size));
        min-width: max(46px, var(--beat-matrix-cell-size));
        height: max(46px, var(--beat-matrix-cell-size));
    }

    .beat-matrix-grid .beat-matrix-instrument {
        width: 112px;
        min-width: 112px;
    }
}

@media (max-width: 480px) {
    .menu-flyout {
        position: fixed;
        right: 12px;
        left: 12px;
        width: auto;
        max-width: none;
        transform: none;
    }
}

/* ----- Angemeldete Oberfläche und Seed-Verwaltung (Phase 64) ----- */

.account-state {
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

.account-state__status {
    max-width: 240px;
    overflow: hidden;
    color: var(--color-on-accent);
    font-size: 12px;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-action,
.account-modal__close {
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid var(--color-transparent-border);
    border-radius: 999px;
    background: var(--color-transparent-light);
    color: var(--color-on-accent);
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    cursor: pointer;
}

.account-action:hover:not(:disabled) {
    background: var(--color-transparent-light-hover);
}

.account-action:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.account-modal-open {
    overflow: hidden;
}

.account-modal {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.account-modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--color-modal-backdrop);
}

.account-modal__dialog {
    position: relative;
    z-index: 1;
    width: 100%;
    max-height: calc(100vh - 40px);
    overflow: auto;
    padding: 22px 24px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-card);
    background: var(--color-surface-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-float);
}

.account-modal__dialog--narrow {
    max-width: 480px;
}

.account-modal__dialog--wide {
    max-width: 920px;
}

.account-modal__heading-row,
.saved-sheet-toolbar,
.saved-sheet-item,
.saved-sheet-item__actions,
.saved-sheet-edit-form__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.account-modal__heading-row,
.saved-sheet-toolbar,
.saved-sheet-item {
    justify-content: space-between;
}

.account-modal__heading-row {
    align-items: flex-start;
}

.account-modal__title,
.saved-sheet-save h3,
.saved-sheet-item__name {
    margin: 0;
    padding: 0;
    border: 0;
}

.account-modal__title {
    color: var(--color-primary);
    font-size: 20px;
}

.account-modal__intro {
    margin: 3px 0 var(--space-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-description);
}

.account-modal__close {
    flex: 0 0 auto;
    width: 36px;
    padding: 0;
    border-color: var(--color-border);
    background: var(--color-surface-soft);
    color: var(--color-text);
    font-size: 22px;
    line-height: 1;
}

.account-modal__close:hover {
    background: var(--color-surface-hover);
}

#login-form,
.saved-sheet-form,
.saved-sheet-edit-form {
    display: grid;
    gap: var(--space-3);
}

#login-form label,
.saved-sheet-form label,
.saved-sheet-edit-form label {
    display: grid;
    gap: var(--space-1);
}

#login-form input[type="email"],
.saved-sheet-form input,
.saved-sheet-form textarea,
.saved-sheet-edit-form input,
.saved-sheet-edit-form textarea {
    width: 100%;
    max-width: none;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-strong);
    color: var(--color-text);
    font: inherit;
}

.saved-sheet-form textarea,
.saved-sheet-edit-form textarea {
    resize: vertical;
}

#login-form input[type="email"]:focus,
.saved-sheet-form :is(input, textarea):focus,
.saved-sheet-edit-form :is(input, textarea):focus {
    outline: none;
    border-color: var(--color-accent-blue-strong);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.account-modal__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.auth-honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.account-message {
    min-height: 24px;
    margin: var(--space-2) 0 0;
    color: var(--color-text-muted);
    font-size: 13px;
}

.account-message--error {
    color: var(--color-error-text);
    font-weight: 650;
}

.account-message--success {
    color: var(--color-success-text);
    font-weight: 650;
}

.saved-sheet-save {
    margin: var(--space-4) 0;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
}

.saved-sheet-save h3 {
    margin-bottom: var(--space-3);
    font-size: 16px;
}

.saved-sheet-form {
    grid-template-columns: minmax(180px, 1fr) minmax(240px, 2fr) auto;
    align-items: end;
}

.account-modal__dialog--narrow .saved-sheet-form {
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
}

.saved-sheet-preview-hint {
    grid-column: auto;
    margin: var(--space-2) 0 0;
}

.saved-sheet-toolbar {
    flex-wrap: wrap;
    margin: var(--space-4) 0 var(--space-2);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.saved-sheet-toolbar > div {
    display: grid;
    gap: var(--space-1);
}

.saved-sheet-count {
    margin: 0 0 var(--space-2);
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 650;
}

.saved-sheet-list {
    display: grid;
    gap: var(--space-3);
}

.saved-sheet-empty {
    margin: 0;
    padding: var(--space-5);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-control);
    color: var(--color-text-muted);
    text-align: center;
}

.saved-sheet-item {
    align-items: flex-start;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-soft);
}

.saved-sheet-item__content {
    min-width: 0;
    flex: 1 1 auto;
}

.saved-sheet-item__thumbnail {
    display: grid;
    flex: 0 0 96px;
    width: 96px;
    height: 136px;
    overflow: hidden;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-strong);
}

.saved-sheet-item__thumbnail-image {
    grid-area: 1 / 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.saved-sheet-item__thumbnail-image.is-loading {
    opacity: 0;
}

.saved-sheet-item__thumbnail-placeholder {
    grid-area: 1 / 1;
    padding: var(--space-2);
    color: var(--color-text-muted);
    font-size: 12px;
    line-height: 1.3;
    text-align: center;
}

.saved-sheet-item__name {
    color: var(--color-text);
    font-size: 16px;
    overflow-wrap: anywhere;
}

.saved-sheet-item__meta,
.saved-sheet-item__description {
    margin: var(--space-1) 0 0;
    overflow-wrap: anywhere;
}

.saved-sheet-item__meta {
    color: var(--color-text-muted);
    font-size: 12px;
}

.saved-sheet-item__description {
    white-space: pre-wrap;
}

.saved-sheet-item__actions {
    flex: 0 0 auto;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.saved-sheet-edit-form {
    flex: 1 0 100%;
    width: 100%;
    margin-top: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.saved-sheet-edit-form__actions {
    justify-content: flex-end;
}

@media (max-width: 900px) {
    .account-state {
        justify-content: flex-start;
    }

    .account-state__status {
        max-width: min(100%, 320px);
    }

    .account-action,
    .account-modal__close,
    #login-form input[type="email"],
    .saved-sheet-form input,
    .saved-sheet-form textarea,
    .saved-sheet-edit-form input,
    .saved-sheet-edit-form textarea {
        min-height: 44px;
    }

    .saved-sheet-form {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 560px) {
    .account-modal {
        align-items: stretch;
        padding: 0;
    }

    .account-modal__dialog {
        max-height: 100vh;
        border-radius: 0;
        padding: var(--space-4);
    }

    .saved-sheet-item {
        flex-direction: column;
    }

    .saved-sheet-item__thumbnail {
        flex-basis: 119px;
        width: 84px;
        height: 119px;
    }

    .saved-sheet-item__actions,
    .saved-sheet-edit-form__actions {
        width: 100%;
        justify-content: stretch;
    }

    .saved-sheet-item__actions .btn,
    .saved-sheet-edit-form__actions .btn {
        flex: 1 1 auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

/* Phase 73: manuell gestartete Produkttour im Generator. */
.account-modal-open #product-tour-start,
.site-maintenance-active #product-tour-start {
    visibility: hidden;
}

.product-tour {
    position: fixed;
    inset: 0;
    z-index: 1400;
}

.product-tour[hidden] { display: none; }

.product-tour__shade,
.product-tour__spotlight,
.product-tour__dialog {
    position: fixed;
}

.product-tour__shade {
    background: rgba(0, 0, 0, .72);
}

.product-tour__spotlight {
    border: 2px solid var(--color-accent-orange);
    border-radius: 10px;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, .3);
}

.product-tour__dialog {
    width: min(360px, calc(100vw - 24px));
    max-height: calc(100vh - 24px);
    overflow: auto;
    padding: 18px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-card);
    background: var(--color-surface-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-float);
}

.product-tour__progress { margin: 0 0 8px; opacity: .75; }
.product-tour__dialog h2 { margin: 0 0 8px; }
.product-tour__dialog p { line-height: 1.5; }
.product-tour__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.product-tour__actions .btn { min-width: 0; }