/* ============================================================
   MSM / BusinessSuite Designtokens (aus theme.css übernommen).
   :root trägt die DARK-Werte (Standarddesign); der Light-Modus
   überschreibt ausschließlich diese --color-* Tokens (siehe unten).
   Die App-eigenen semantischen Namen (--bg/--surface/--accent …)
   sind nur Aliase auf die MSM-Tokens – eine einzige Farbquelle.
   ============================================================ */
:root {
    /* MSM-Primitivtokens (Dark) */
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-hover: #293548;
    --color-surface-2: #1a2436;
    --color-border: #334155;
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #818cf8;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-danger: #ef4444;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;

    --radius: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.30);
    --shadow-pop: 0 12px 28px rgb(0 0 0 / 0.35);

    /* Weiche Status-Flächen (Alerts/Badges) – Dark */
    --alert-info-fg: #93c5fd;   --alert-info-bg: rgba(59,130,246,.12);  --alert-info-border: rgba(59,130,246,.45);
    --alert-success-fg: #86efac; --alert-success-bg: rgba(34,197,94,.12); --alert-success-border: rgba(34,197,94,.45);
    --alert-warning-fg: #fbbf24; --alert-warning-bg: rgba(245,158,11,.12); --alert-warning-border: rgba(245,158,11,.45);
    --alert-danger-fg: #fca5a5;  --alert-danger-bg: rgba(239,68,68,.12);  --alert-danger-border: rgba(239,68,68,.45);

    /* App-Aliase auf die MSM-Tokens */
    --bg: var(--color-bg);
    --surface: var(--color-surface);
    --surface-hover: var(--color-surface-hover);
    --surface-2: var(--color-surface-2);
    --border: var(--color-border);
    --text: var(--color-text);
    --muted: var(--color-text-muted);
    --accent: var(--color-primary);
    --accent-dark: var(--color-primary-hover);
    --accent-light: var(--color-primary-light);
    --danger: var(--color-danger);
    --success: var(--color-success);
    --warning: var(--color-warning);
    --info: var(--color-info);

    color-scheme: dark;
}

/* ── Light-Modus (MSM-Tokens aus theme.css) ────────────────────────────────
   Überschreibt ausschließlich die --color-* Primitivtokens, die Alert-Flächen
   und Schatten. Die App-Aliase (--bg/--surface/--accent …) folgen automatisch.
   Bewusst gestaltete Helligkeiten/Kontraste – KEINE reine Invertierung. */
:root[data-theme="light"] {
    --color-bg: #f1f5f9;
    --color-surface: #ffffff;
    --color-surface-hover: #e2e8f0;
    --color-surface-2: #eef2f6;
    --color-border: #cbd5e1;
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-light: #4f46e5;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-danger: #dc2626;
    --color-success: #15803d;
    --color-warning: #b45309;
    --color-info: #2563eb;

    --shadow-card: 0 1px 3px rgb(15 23 42 / .10), 0 1px 2px rgb(15 23 42 / .06);
    --shadow-pop: 0 12px 28px rgb(15 23 42 / .18);

    --alert-info-fg: #1e40af;    --alert-info-bg: #eff6ff;    --alert-info-border: #bfdbfe;
    --alert-success-fg: #166534; --alert-success-bg: #f0fdf4; --alert-success-border: #bbf7d0;
    --alert-warning-fg: #92400e; --alert-warning-bg: #fffbeb; --alert-warning-border: #fde68a;
    --alert-danger-fg: #991b1b;  --alert-danger-bg: #fef2f2;  --alert-danger-border: #fecaca;

    color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
}

a { color: var(--accent-light); }

/* ---- Kopfzeile ---- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px; /* klarer Abstand Hamburger ↔ Brand (identisch auf Handy/Desktop) */
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 40; /* über dem fixierten Player, damit das offene Menü nie verdeckt wird */
}
.app-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
}
/* Konsistente Icon-Ausrichtung (currentColor kommt aus der Icon-Komponente). */
.ico { display: inline-block; vertical-align: middle; flex: none; }
/* MSM-Markenzeichen im Header: echtes Logo (transparenter/eigener Hintergrund,
   KEINE weiße Platte) + Produktname „Hörbuchregal". */
.app-brand { display: inline-flex; align-items: center; gap: 9px; }
.app-brand .brand-logo { width: 28px; height: 28px; border-radius: 7px; display: block; }
.app-nav .nav-link .ico { color: var(--accent-light); }
/* Navigation an ALLEN Breiten identisch: Hamburger links + kompaktes Drawer-Menü,
   das direkt unter dem Hamburger aufklappt. Keine separate Desktop-Navigation,
   KEIN Fullscreen-/vollbreites Menü (mobile-first als Basis). */
.nav-wrap { position: relative; display: inline-flex; align-items: center; flex: 0 0 auto; }
.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    padding: 10px;
    flex: 0 0 auto;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
}
.nav-toggle:hover { background: var(--bg); }
.nav-toggle-bar { display: block; width: 100%; height: 2px; background: var(--text); border-radius: 2px; }

/* Kompaktes Overlay-Menü (ca. 260px), direkt unter dem Hamburger verankert. */
.app-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 260px;
    max-width: calc(100vw - 1.5rem);
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
    padding: 6px;
    z-index: 30;
}
.app-header.nav-open .app-nav { display: flex; }
.nav-link { color: var(--accent); text-decoration: none; }
.nav-link:hover { text-decoration: underline; }
.app-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.6rem 0.7rem;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text);
}
.app-nav .nav-link:hover { background: var(--bg); text-decoration: none; }
.app-nav .logout-form { margin: 4px 0 0; padding: 4px 0 0; border-top: 1px solid var(--border); }
.app-nav .logout-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 0.6rem 0.7rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text);
}
.app-nav .logout-btn .ico { color: var(--accent-light); }

/* Theme-Umschalter im Menü: zeigt den AKTUELLEN Modus (Mond+Dunkel bzw. Sonne+Hell).
   Rein CSS-gesteuerte Beschriftung anhand von :root[data-theme]. */
.app-nav .theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 0.6rem 0.7rem;
    background: none;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text);
    cursor: pointer;
}
.app-nav .theme-toggle:hover { background: var(--bg); }
.app-nav .theme-toggle .ico { color: var(--accent-light); }
.theme-toggle .theme-dark-label, .theme-toggle .theme-light-label { display: inline-flex; align-items: center; gap: 10px; }
.theme-toggle .theme-light-label { display: none; }
:root[data-theme="light"] .theme-toggle .theme-dark-label { display: none; }
:root[data-theme="light"] .theme-toggle .theme-light-label { display: inline-flex; }
.app-nav .logout-btn:hover { background: var(--bg); border-color: transparent; }

/* Benutzername immer ganz rechts, außerhalb des Menüs; lange Namen kürzen. */
.user-name {
    color: var(--muted);
    font-size: 0.95rem;
    white-space: nowrap;
    margin-left: auto;
    max-width: 45vw;
    overflow: hidden;
    text-overflow: ellipsis;
}

.section-title { font-size: 1.1rem; margin: 1.5rem 0 0.75rem; }

/* „Neuen Benutzer anlegen": gleichmäßige Zeile(n), einheitliche Feldhöhen,
   auf Desktop kompakt, auf Mobile sauber untereinander (kein Overflow). */
.user-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 12px;
    margin-bottom: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
}
.user-form input[type="text"], .user-form input:not([type]), .user-form input[type="password"],
.user-form select {
    min-height: 38px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: var(--surface-2);
    color: var(--text);
    flex: 1 1 160px;
    min-width: 0;
}
.user-form select { background: var(--surface-2); }
.user-form .chk { flex: 0 0 auto; }
.user-form .btn { flex: 0 0 auto; margin-left: auto; }
.chk {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 38px;
    color: var(--muted);
    font-size: 0.9rem;
    white-space: nowrap;
}
.chk input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
/* Einheitliches MSM-Button-System: gleiche Höhe/Radien/Padding, klar getrennte
   Varianten (Primary/Secondary/Danger/Ghost), konsistente Hover/Focus/Disabled. */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 38px;
    padding: 0 16px;
    background: var(--accent);
    color: #fff;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled, .btn.disabled { opacity: 0.55; cursor: not-allowed; }
.btn.small { min-height: 32px; padding: 0 12px; font-size: 0.82rem; gap: 5px; }

/* Sekundär: neutrale Fläche, Akzentrahmen beim Hover. */
.btn.secondary {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.btn.secondary:hover { background: var(--surface-hover); border-color: var(--accent); }

/* Danger: destruktive Aktionen klar rot. */
.btn.danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 82%, #000); border-color: transparent; }

/* Ghost: transparente Nebenaktion. */
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn.ghost:hover { background: var(--surface-hover); }
table.tracks input:not([type="checkbox"]) {
    width: 100%;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.logout-form { margin: 0; }
.logout-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    color: var(--muted);
}
.logout-btn:hover { border-color: var(--muted); }

.app-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem;
    padding-bottom: 8rem; /* Platz für Player */
}

/* ---- Toolbar / Suche ---- */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.toolbar h1 { font-size: 1.5rem; margin: 0; }

.upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 38px;
    background: var(--accent);
    color: #fff;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
}
.upload-btn:hover { background: var(--accent-dark); }
.upload-btn.disabled { opacity: 0.6; cursor: default; }
.upload-btn input[type="file"] { display: none; }

.search {
    width: 100%;
    margin: 1rem 0;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}
.search:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.notice {
    padding: 0.7rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}
.notice.success { background: var(--alert-success-bg); color: var(--alert-success-fg); }
.notice.error { background: var(--alert-danger-bg); color: var(--alert-danger-fg); }
.notice.info { background: var(--alert-info-bg); color: var(--alert-info-fg); }

/* Deutlich sichtbarer Warnbanner bei nicht erreichbarem Medienspeicher (SSD). */
.media-banner {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    background: var(--alert-danger-bg);
    border: 1px solid var(--alert-danger-border);
    border-left: 5px solid var(--danger);
    color: var(--alert-danger-fg);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}
.media-banner strong { font-size: 1rem; }
.media-banner span { color: var(--text); font-size: 0.9rem; }

/* ---- Upload-Fortschritt ---- */
.upload-progress {
    position: relative;
    height: 26px;
    background: var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.upload-bar {
    height: 100%;
    background: var(--accent);
    transition: width 0.15s ease;
}
.upload-progress-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--text);
}

.empty { color: var(--muted); padding: 2rem 0; text-align: center; }

/* ---- Tabelle ---- */
.table-scroll { overflow-x: auto; }
table.tracks {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 10px;
    overflow: hidden;
}
table.tracks th, table.tracks td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
table.tracks th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
}
/* Steuerungen in Tabellenzellen einheitlich hoch, nicht gequetscht. */
table.tracks td select,
table.tracks td input:not([type="checkbox"]) { min-height: 34px; }
table.tracks td select {
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-2);
    color: var(--text);
    font-size: 0.88rem;
}
table.tracks td input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
/* Aktions-Gruppe je Zeile (Speichern/Löschen, Zugriff+Freigaben): sauber getrennt. */
.cell-actions { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
table.tracks tr.current { background: color-mix(in srgb, var(--accent) 15%, transparent); }
.col-duration { text-align: right; white-space: nowrap; }
.col-actions { text-align: right; width: 1%; white-space: nowrap; }

.link, .play-title {
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
    font: inherit;
    cursor: pointer;
    text-align: left;
}
.play-title:hover { color: var(--accent); text-decoration: underline; }

.progress-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.05rem 0.4rem;
    font-size: 0.75rem;
    color: var(--alert-info-fg);
    background: var(--alert-info-bg);
    border-radius: 999px;
    vertical-align: middle;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--muted);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
}
.icon-btn:hover { background: var(--surface-hover); color: var(--text); }
.icon-btn:disabled { opacity: 0.3; cursor: default; }
.icon-btn.danger { color: var(--danger); }
.icon-btn.danger:hover { background: var(--alert-danger-bg); color: var(--danger); }

/* ---- Player ---- */
.player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    z-index: 20;
}
.player.hidden { display: none; }
.player-info {
    display: flex;
    flex-direction: column;
    min-width: 140px;
    max-width: 240px;
    overflow: hidden;
}
.player-info strong, .player-info span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-info span { color: var(--muted); font-size: 0.9rem; }
.player-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}
.player-controls audio { flex: 1; min-width: 0; height: 40px; }

/* ---- Login ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0; text-align: center; font-size: 1.5rem; }
.login-sub { margin: 0; text-align: center; color: var(--muted); }
/* MSM-Branding auf der Login-Seite: echtes Logo, keine weiße Platte. */
.login-brand { display: grid; justify-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.login-brand .msm-icon { width: 64px; height: 64px; border-radius: 16px; display: block; }
.login-card label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.login-card input {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}
.login-card button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 500;
}
.login-card button:hover { background: var(--accent-dark); }
.login-error { background: var(--alert-danger-bg); color: var(--danger); padding: 0.6rem; border-radius: 8px; text-align: center; font-size: 0.9rem; }

/* ---- Fehler-UI von Blazor ---- */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--surface);
    color: var(--alert-warning-fg);
    border-top: 2px solid var(--warning);
    padding: 0.7rem 1.25rem;
    box-shadow: 0 -1px 4px rgba(0,0,0,0.2);
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

/* ---- Hörbuch-UI ---- */
.muted { color: var(--muted); font-size: 0.9rem; }
.desc { color: var(--text); font-size: 0.95rem; margin: 0.5rem 0; }

.upload-panel {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}
.upload-panel.column { flex-direction: column; align-items: stretch; }
.upload-panel input, .upload-panel textarea {
    padding: 0.55rem 0.8rem; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; font-family: inherit;
}
.upload-panel .row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }

/* Cover: klassische Buchform (2:3), object-fit cover, damit Karten nicht springen.
   Ohne eigenes Cover -> neutraler MSM-Logo-Platzhalter (zentriert, contain),
   NIE ein kaputtes Bildsymbol. Hintergrund/Border folgen den Theme-Tokens. */
.cover {
    position: relative;
    background: linear-gradient(135deg, var(--surface-2), var(--surface-hover));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    aspect-ratio: 2 / 3;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
}
.cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: var(--surface); }
/* MSM-Logo-Platzhalter: mittig, ~32% der Coverbreite, contain, keine weiße Platte. */
.cover.is-placeholder .ph-logo {
    position: static;
    inset: auto;
    width: 32%;
    height: auto;
    max-height: 62%;
    object-fit: contain;
    background: none;
    opacity: .9;
}
.cover.small { width: 52px; height: 78px; flex: 0 0 52px; aspect-ratio: auto; }
.cover.big { width: 150px; height: 225px; flex: 0 0 150px; aspect-ratio: auto; }

.mini-bar { height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; margin: 0.35rem 0; }
.mini-bar > div { height: 100%; background: var(--accent); }
.mini-bar.wide { max-width: 320px; }

/* Weiterhören */
.continue-row { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: 0.5rem; }
.continue-card {
    display: flex; gap: 0.75rem; min-width: 280px;
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 0.75rem; cursor: pointer;
}
.continue-card:hover { border-color: var(--accent); }
.continue-info { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.continue-info strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.continue-info .btn.small { margin-top: 0.35rem; align-self: flex-start; }

/* Bibliotheks-Grid: identische Karten, additiv mehr Spalten je Breite
   (~1 Spalte mobil, 2 auf Tablet, 3–4 auf Desktop). Karte selbst unverändert. */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.book-card {
    position: relative; background: var(--surface); border: 1px solid var(--border);
    border-radius: 10px; padding: 0.75rem; cursor: pointer; display: flex; flex-direction: column; gap: 0.5rem;
}
.book-card:hover { border-color: var(--accent); }
.book-info { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.book-info strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-del { position: absolute; top: 0.4rem; right: 0.4rem; background: var(--surface); border-radius: 6px; }
.card-check { position: absolute; top: 0.5rem; left: 0.5rem; width: 20px; height: 20px; z-index: 2; }
.book-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent) inset; }

.toolbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn.active { background: var(--accent-dark); }

/* Merge-Leiste */
.merge-bar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem;
    background: color-mix(in srgb, var(--accent) 15%, transparent); border: 1px solid var(--accent); border-radius: 10px; padding: 0.75rem 1rem; margin-bottom: 1rem;
}
.merge-bar select, .merge-bar input {
    padding: 0.45rem 0.7rem; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem;
}

/* Weiterhören-Menü */
.cc-menu-btn {
    position: absolute; top: 0.4rem; right: 0.4rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
    width: 28px; height: 28px; cursor: pointer; font-size: 1rem; line-height: 1; color: var(--muted);
}
.cc-menu-btn:hover { color: var(--text); }
.cc-menu {
    position: absolute; top: 2.2rem; right: 0.4rem; z-index: 5;
    background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12); display: flex; flex-direction: column; min-width: 200px;
}
.cc-menu button {
    background: none; border: none; text-align: left; padding: 0.6rem 0.9rem; cursor: pointer; font: inherit; color: var(--text);
}
.cc-menu button:hover { background: var(--bg); }
.continue-card { position: relative; }

/* Detail-Kopf */
.book-header { display: flex; gap: 1.25rem; margin: 0.5rem 0 1rem; }
.book-meta { min-width: 0; }
.book-meta h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }

/* Kapitelliste */
.chapter-list { list-style: none; padding: 0; margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.chapter { display: flex; align-items: center; border-bottom: 1px solid var(--border); }
.chapter:last-child { border-bottom: none; }
.chapter.current { background: color-mix(in srgb, var(--accent) 15%, transparent); }
.chapter-main { flex: 1; display: flex; align-items: center; gap: 0.75rem; background: none; border: none; padding: 0.7rem 0.9rem; cursor: pointer; text-align: left; font: inherit; min-width: 0; }
.chapter-main:hover { color: var(--accent); }
.ch-num { color: var(--muted); min-width: 1.5rem; text-align: right; }
.ch-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ch-dur { white-space: nowrap; }
.ch-actions { display: flex; gap: 0.1rem; padding-right: 0.5rem; }

/* Tabs: Meine Hörbücher / Archiv */
.tabs { display: flex; gap: 0.25rem; margin: 0.5rem 0 1rem; border-bottom: 1px solid var(--border); }
.tab {
    background: none; border: none; border-bottom: 2px solid transparent;
    padding: 0.5rem 0.9rem; cursor: pointer; font: inherit; color: var(--muted);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent-light); border-bottom-color: var(--accent); font-weight: 600; }

/* Status- und Aktionszeile je Hörbuch */
.status { font-size: 0.8rem; padding: 0.1rem 0.45rem; border-radius: 999px; align-self: flex-start; }
.status.ok { background: var(--alert-success-bg); color: var(--alert-success-fg); }
.status.archive { background: var(--surface-2); color: var(--muted); }
.status.warn { background: var(--alert-warning-bg); color: var(--alert-warning-fg); }
.status.err { background: var(--alert-danger-bg); color: var(--alert-danger-fg); }
.card-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; align-items: center; }

/* Freigabe-Editor (Benutzerverwaltung) */
.access-editor {
    margin-top: 1.5rem; background: var(--surface); border: 1px solid var(--border);
    border-radius: 10px; padding: 1rem;
}
.access-list { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.5rem 0 1rem; max-height: 320px; overflow-y: auto; }
.access-editor .row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

/* Musik */
.music-table td { vertical-align: middle; }
.music-table tr.current { background: color-mix(in srgb, var(--accent) 15%, transparent); }
.music-cover { width: 34px; height: 34px; border-radius: 6px; object-fit: cover; vertical-align: middle; margin-right: 0.5rem; }
.icon-btn.play { font-size: 1rem; color: var(--accent-light); }
.music-player { position: sticky; }

/* ---- Responsiv: kompaktere Kopfzeile auf schmalen Viewports ---- */
@media (max-width: 768px) {
    .app-header { padding: 0.6rem 1rem; } /* gap wie Desktop (14px) beibehalten */
    .app-title { font-size: 1.1rem; }
    .user-name { max-width: 40vw; }
}

/* Auf breiten Monitoren Kopfzeileninhalt am zentrierten Content-Container (max 1280px)
   ausrichten, statt bis zum Bildschirmrand zu ziehen (% statt vw -> kein Overflow). */
@media (min-width: 1320px) {
    .app-header {
        padding-left: calc((100% - 1280px) / 2 + 1.25rem);
        padding-right: calc((100% - 1280px) / 2 + 1.25rem);
    }
}

/* ---- Responsiv: Smartphone ---- */
@media (max-width: 640px) {
    .app-main { padding: 1rem; padding-bottom: 10rem; }

    /* Toolbar-Aktionen kompakt: „＋ Neues Hörbuch" + „Auswählen" in einer Zeile,
       bei sehr schmalem Viewport sauber umbrechen (keine abgeschnittenen Buttons). */
    .toolbar-actions { width: 100%; }
    .toolbar-actions .btn { flex: 1 1 auto; white-space: nowrap; }

    /* Tabelle als Karten stapeln */
    table.tracks thead { display: none; }
    table.tracks, table.tracks tbody, table.tracks tr, table.tracks td { display: block; width: 100%; }
    table.tracks tr {
        border: 1px solid var(--border);
        border-radius: 10px;
        margin-bottom: 0.75rem;
        padding: 0.3rem 0.6rem;
        background: var(--surface);
    }
    table.tracks td { border: none; padding: 0.35rem 0.3rem; }
    table.tracks td[data-label]::before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--muted);
    }
    .col-duration, .col-actions { text-align: left; }
    .col-actions::before { display: none; }

    .player { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .player-info { max-width: none; text-align: center; }
    .player-controls { justify-content: center; }
}

/* ============================================================
   AP4 – UI-Polish (MSM-konform, keine Funktionsänderung).
   Einheitliche Fokus-/Hover-Zustände, Eingaben, Karten-,
   Radius-/Shadow-Sprache, Scrollbars, Badges, Touch-Ziele.
   ============================================================ */

/* Sichtbarer, konsistenter Tastatur-Fokus überall. */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.tab:focus-visible,
.nav-toggle:focus-visible,
.icon-btn:focus-visible,
.book-card:focus-visible,
.continue-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Eingabefelder einheitlich im MSM-Stil (Fläche, Rahmen, Fokusring). */
.search,
.user-form input,
.user-form select,
.upload-panel input,
.upload-panel textarea,
.merge-bar input,
.merge-bar select,
table.tracks input:not([type="checkbox"]) {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.search::placeholder,
.upload-panel input::placeholder,
.user-form input::placeholder { color: var(--muted); }
.search:focus,
.user-form input:focus,
.user-form select:focus,
.upload-panel input:focus,
.upload-panel textarea:focus,
.merge-bar input:focus,
.merge-bar select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Karten: eine gemeinsame Radius-/Shadow-Sprache. */
.book-card,
.continue-card,
.upload-panel,
.merge-bar,
.chapter-list,
.table-scroll,
.notice,
.media-banner { border-radius: var(--radius); }
.book-card,
.continue-card { box-shadow: var(--shadow-card); transition: border-color .15s ease, box-shadow .15s ease; }
.book-card:hover,
.continue-card:hover { border-color: var(--accent); }

/* Statusbadges einheitlich (Pill, kräftig). */
.status { border-radius: 999px; font-weight: 600; letter-spacing: .01em; }

/* Tabs: klarer Hover, ausreichendes Touch-Ziel. */
.tab { min-height: 40px; }
.tab:hover { color: var(--text); }

/* Scrollbars im MSM-Stil (Dark + Light). */
* { scrollbar-color: var(--border) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* Lange Titel/Autoren sauber kürzen (kein Zeilensprung, der Karten springen lässt). */
.book-info .muted,
.continue-info .muted { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Player-Feinschliff: Trennlinie/Fläche klar aus Tokens. */
.player { box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.22); }

/* ============================================================
   MSM E-Book Library – ergänzende Bausteine (MSM-Tokens/Stil).
   Baut ausschließlich auf den oben definierten Designtokens auf.
   ============================================================ */

/* Kopfbereich der Bibliothek: Titelzeile + Anzahl. */
.lib-head { display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; margin: 0.25rem 0 0.25rem; }
.lib-head h1 { font-size: 1.6rem; margin: 0; }
.lib-count { color: var(--muted); font-size: 0.95rem; }

/* Kategorie-Chips (Filterleiste). Waagerecht scrollbar auf schmalen Geräten. */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 0.25rem; }
.chip {
    display: inline-flex; align-items: center; gap: 6px;
    min-height: 34px; padding: 0 0.8rem;
    background: var(--surface-2); color: var(--text);
    border: 1px solid var(--border); border-radius: 999px;
    cursor: pointer; font-size: 0.85rem; white-space: nowrap;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.chip:hover { border-color: var(--accent); }
.chip.active { background: var(--accent); color: #fff; border-color: transparent; }
.chip .chip-count { opacity: .75; font-variant-numeric: tabular-nums; }

/* Werkzeugleiste: Suche + Sortierung nebeneinander, mobil gestapelt. */
.lib-tools { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin: 0.5rem 0 0.25rem; }
.lib-tools .search { flex: 1 1 260px; margin: 0; }
.lib-tools .sort { display: inline-flex; align-items: center; gap: 0.5rem; }
.sort select {
    min-height: 44px; padding: 0 0.7rem;
    background: var(--surface-2); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.9rem;
}
.sort label { color: var(--muted); font-size: 0.9rem; white-space: nowrap; }

/* Titel in der Karte: bis zu zwei Zeilen, danach gekürzt (kein Kartenspringen). */
.book-info .title2 {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; font-weight: 600; line-height: 1.25; min-height: 2.5em;
}
.book-info .meta { color: var(--muted); font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-cats { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.1rem; }
.card-cat { font-size: 0.7rem; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 0.02rem 0.45rem; }

/* PDF-Karte: Cover-Fläche zeigt Thumbnail (falls vorhanden) oder MSM-PDF-Platzhalter. */
.cover .pdf-badge {
    position: absolute; bottom: 0.4rem; right: 0.4rem;
    font-size: 0.62rem; font-weight: 700; letter-spacing: .05em;
    color: #fff; background: color-mix(in srgb, var(--accent) 88%, #000);
    padding: 0.08rem 0.4rem; border-radius: 999px;
}
.cover.is-placeholder .ph-title {
    position: absolute; left: 8%; right: 8%; bottom: 10%;
    color: var(--muted); font-size: 0.72rem; text-align: center;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* Breadcrumb im Reader. */
.crumb { color: var(--muted); font-size: 0.9rem; margin: 0.25rem 0 0.5rem; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--accent); text-decoration: underline; }

/* Reader-Toolbar (MSM-Buttons) über dem eingebetteten PDF-Viewer. */
.reader-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.reader-head h1 { font-size: 1.3rem; margin: 0; }
.reader-tools { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* PDF-Viewer-Rahmen: möglichst hoch, füllt den verfügbaren Platz. */
.pdf-frame {
    width: 100%; height: calc(100dvh - 210px); min-height: 420px;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface); overflow: hidden;
}
.pdf-frame iframe { width: 100%; height: 100%; border: 0; display: block; background: var(--surface-2); }
.pdf-frame:fullscreen { height: 100dvh; border-radius: 0; }
.pdf-frame:fullscreen iframe { height: 100%; }

/* Status-/Systemseite: Kennzahlen als Karten. */
.status-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin: 1rem 0; }
.status-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow-card); }
.status-card .k { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: .03em; }
.status-card .v { font-size: 1.15rem; font-weight: 600; margin-top: 0.25rem; word-break: break-word; }
.status-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; }

@media (max-width: 640px) {
    .pdf-frame { height: calc(100dvh - 250px); }
    .lib-tools .sort { width: 100%; }
    .sort select { flex: 1; }
}

/* Cover-Layer: Thumbnail über dem MSM-Platzhalter, PDF-Badge stets sichtbar. */
.cover .thumb { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: var(--surface); z-index: 1; }
.cover .pdf-badge { z-index: 2; }
.cover .ph-title { z-index: 0; }

/* ============================================================
   MSM E-Book Library – Upload-Dialog (Modal) + Ablagezone.
   ============================================================ */
.modal-overlay {
    position: fixed; inset: 0; z-index: 100;
    display: flex; align-items: center; justify-content: center;
    padding: 1rem; background: rgba(0, 0, 0, 0.55);
}
.modal-card {
    width: 100%; max-width: 460px;
    display: flex; flex-direction: column; gap: 1rem;
    background: var(--surface); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 1.25rem; box-shadow: var(--shadow-pop);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.modal-title { display: inline-flex; align-items: center; gap: 8px; font-size: 1.1rem; font-weight: 600; }
.modal-body { display: flex; flex-direction: column; gap: 0.85rem; }
.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; flex-wrap: wrap; }

.dropzone {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 0.4rem; text-align: center;
    padding: 1.75rem 1rem; cursor: pointer;
    color: var(--muted);
    background: var(--surface-2);
    border: 2px dashed var(--border); border-radius: var(--radius);
    transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.dropzone:hover { border-color: var(--accent); color: var(--text); }
.dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--surface-2)); color: var(--text); }
.dropzone strong { color: var(--accent-light); }

.file-row {
    display: flex; align-items: center; gap: 0.7rem;
    background: var(--surface-2); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.7rem 0.85rem;
}
.file-meta { display: flex; flex-direction: column; min-width: 0; }
.file-meta strong { overflow-wrap: anywhere; }