/* =============================================
   CSS Custom Properties – Default: Dark Teal
   Alle Farbwerte werden per JS überschrieben
   wenn ein gespeichertes Theme vorhanden ist.
   ============================================= */
:root {
    /* ── Semantische Farben (alle per Theme überschreibbar) ── */
    --color-bg:             #0d1117;
    --color-surface:        #161b22;
    --color-card:           #1c2128;
    --color-sidebar:        #161b22;
    --color-sidebar-text:   #8b949e;
    --color-topbar:         #161b22;
    --color-hover:          #21262d;
    --color-active:         #262c36;
    --color-text:           #e6edf3;
    --color-text-secondary: #8b949e;
    --color-text-muted:     #6e7681;
    --color-accent:         #00bcd4;
    --color-accent-dark:    #0097a7;
    --color-accent-light:   #4dd0e1;
    --color-accent-subtle:  rgba(0, 188, 212, 0.12);
    --color-border:         #30363d;
    --color-border-subtle:  #21262d;
    --color-btn-text:       #000000;
    --color-danger:         #f85149;
    --color-danger-subtle:  rgba(248, 81, 73, 0.12);
    --color-success:        #3fb950;
    --color-success-subtle: rgba(63, 185, 80, 0.12);
    --color-warning:        #e3b341;
    --color-warning-subtle: rgba(227, 179, 65, 0.12);

    /* ── Layout (nicht per Theme geändert) ── */
    --sidebar-width: 240px;
    --topbar-height: 52px;

    /* ── Abstände ── */
    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  16px;
    --space-lg:  24px;
    --space-xl:  32px;
    --space-2xl: 48px;

    /* ── Radien ── */
    --radius-sm: 6px;
    --radius:    8px;
    --radius-lg: 12px;

    /* ── Schatten ── */
    --shadow:    0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);

    /* ── Schrift ── */
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-sm:   0.875rem;
    --font-base: 1rem;
    --font-lg:   1.125rem;
    --font-xl:   1.25rem;
    --font-2xl:  1.5rem;
    --font-3xl:  1.875rem;
    --font-4xl:  2.25rem;

    --transition: 0.2s ease;
}

/* =============================================
   Reset & Basis
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font);
    font-size: var(--font-base);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

h1, h2, h3, h4 {
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.3;
}

/* =============================================
   App Shell – Haupt-Layout
   ============================================= */
.app-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Wrapper für Topbar + Hauptinhalt (rechts der Sidebar) */
.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* =============================================
   Topbar – App-Name oben mittig
   ============================================= */
.topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background-color: var(--color-topbar);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 5;
    flex-shrink: 0;
}

.topbar-brand {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: -0.3px;
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-sidebar);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

/* ─── Logo-Bereich ──────────────────────────── */
.sidebar-logo-area {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 72px;
}

/* Container für Logo-Bild oder Platzhalter (mit relativer Position für Handle) */
.logo-container {
    position: relative;
    display: inline-flex;
    width: 90px;
    min-width: 40px;
    max-width: 190px;
}

/* Logo-Bild */
.logo-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
    cursor: pointer;
}

/* Platzhalter wenn kein Logo gesetzt */
.logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: var(--space-sm) var(--space-md);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: var(--font-sm);
    text-align: center;
    width: 100%;
    min-height: 52px;
    transition: border-color var(--transition), color var(--transition);
}

.logo-placeholder:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Entfernen-Button – erscheint bei Hover */
.logo-clear-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 22px;
    height: 22px;
    background: var(--color-danger);
    color: var(--color-text);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 2;
}

.logo-container:hover .logo-clear-btn {
    opacity: 1;
}

/* Drag-Handle zur Größenanpassung – erscheint bei Hover */
.resize-handle {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    cursor: se-resize;
    background: var(--color-accent);
    border-radius: 3px;
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 2;
}

.logo-container:hover .resize-handle {
    opacity: 0.75;
}

/* ─── Navigation ────────────────────────────── */
.sidebar-nav {
    flex: 1;
    padding: var(--space-md) var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px var(--space-md);
    border-radius: var(--radius);
    color: var(--color-sidebar-text);
    font-size: var(--font-base);
    font-weight: 500;
    transition: background-color var(--transition), color var(--transition);
    min-height: 48px;
    cursor: pointer;
    text-decoration: none;
}

.nav-link:hover {
    background-color: var(--color-hover);
    color: var(--color-text);
    text-decoration: none;
}

.nav-link.active {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ─── Sidebar-Fußzeile ──────────────────────── */
.sidebar-bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm);
}

.sidebar-version {
    padding: 6px var(--space-md);
    font-size: var(--font-sm);
    color: var(--color-text-muted);
}

/* ─── Logout-Trenner und -Button ────────────────────── */
.sidebar-logout-divider {
    border-top: 1px solid var(--color-border);
    margin: var(--space-sm) 0;
}

/* Sub-Navigationseintrag: leicht eingerückt, kleinere Schrift, für untergeordnete Bereiche */
.nav-link-sub {
    padding-left: calc(var(--space-md) + 1.25rem);
    font-size: var(--font-sm);
}

/* Logout-Button: optisch identisch mit .nav-link, aber in Gefahrenfarbe */
.nav-link-logout {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-danger);
    font-size: inherit;
    font-family: inherit;
    text-align: left;
}

.nav-link-logout:hover {
    background-color: var(--color-hover);
    color: var(--color-danger);
}

/* Bootstrap-Icon innerhalb des Logout-Buttons gleich wie SVG-Icons ausrichten */
.nav-icon-bootstrap {
    width: 20px;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* =============================================
   Haupt-Inhaltsbereich
   ============================================= */
.main-content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
}

/* =============================================
   Seitenkopf
   ============================================= */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-surface);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.page-title {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.page-subtitle {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin-top: 4px;
}

.page-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.page-body {
    padding: var(--space-xl);
    flex: 1;
}

/* =============================================
   Karten
   ============================================= */
.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: var(--font-lg);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.card-body {
    padding: var(--space-lg);
}

/* Statistik-Karten (Dashboard) */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.stat-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.stat-card.accent {
    border-color: var(--color-accent-dark);
    background: linear-gradient(135deg, var(--color-card), var(--color-accent-subtle));
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
}

.stat-value {
    font-size: var(--font-4xl);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* =============================================
   Buttons – Touch-optimiert (min 44px)
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px var(--space-lg);
    min-height: 44px;
    font-family: var(--font);
    font-size: var(--font-base);
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-btn-text);
    border-color: var(--color-accent);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-btn-text);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--color-hover);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-active);
    border-color: var(--color-text-muted);
    text-decoration: none;
}

.btn-danger {
    background-color: var(--color-danger-subtle);
    color: var(--color-danger);
    border-color: var(--color-danger);
}

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

.btn-success {
    background-color: var(--color-success);
    color: var(--color-btn-text);
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    filter: brightness(1.1);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-hover);
    color: var(--color-text);
    text-decoration: none;
}

.btn-lg {
    padding: 16px var(--space-xl);
    font-size: var(--font-lg);
    min-height: 56px;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 8px var(--space-md);
    font-size: var(--font-sm);
    min-height: 36px;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
}

/* =============================================
   Formulare – Touch-optimiert
   ============================================= */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px var(--space-md);
    min-height: 48px;
    font-family: var(--font);
    font-size: var(--font-base);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-lg);
}

/* Suchfeld */
.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.form-control.has-icon {
    padding-left: 44px;
}

/* =============================================
   Tabellen
   ============================================= */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-base);
}

.table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    color: var(--color-text);
    vertical-align: middle;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tbody tr {
    transition: background-color var(--transition);
}

.table tbody tr:hover {
    background-color: var(--color-hover);
}

.table-actions {
    display: flex;
    gap: var(--space-xs);
}

/* =============================================
   Badges / Status
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: var(--font-sm);
    font-weight: 600;
    white-space: nowrap;
}

.badge-success  { background-color: var(--color-success-subtle);  color: var(--color-success); }
.badge-warning  { background-color: var(--color-warning-subtle);  color: var(--color-warning); }
.badge-danger   { background-color: var(--color-danger-subtle);   color: var(--color-danger); }
.badge-accent   { background-color: var(--color-accent-subtle);   color: var(--color-accent); }
.badge-muted    { background-color: var(--color-hover);           color: var(--color-text-muted); }

/* =============================================
   Aktivitätsliste (Dashboard)
   ============================================= */
.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background-color var(--transition);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background-color: var(--color-hover);
}

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-dot.accent   { background-color: var(--color-accent); }
.activity-dot.success  { background-color: var(--color-success); }
.activity-dot.warning  { background-color: var(--color-warning); }

.activity-info { flex: 1; }

.activity-title {
    font-weight: 500;
    color: var(--color-text);
}

.activity-meta {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* =============================================
   Timer (SessionActive)
   ============================================= */
.timer-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
}

.timer-display {
    font-size: 4rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-accent);
    letter-spacing: 4px;
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.timer-display.running {
    animation: pulse-accent 2s ease-in-out infinite;
}

@keyframes pulse-accent {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.65; }
}

.timer-controls {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* =============================================
   Textbausteine – Checkbox-Liste
   ============================================= */
.textblock-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.textblock-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
    min-height: 56px;
}

.textblock-item:hover {
    background-color: var(--color-hover);
    border-color: var(--color-accent-dark);
}

.textblock-item.checked {
    background-color: var(--color-accent-subtle);
    border-color: var(--color-accent-dark);
}

.textblock-checkbox {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), border-color var(--transition);
    flex-shrink: 0;
    color: var(--color-btn-text);
}

.textblock-item.checked .textblock-checkbox {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.textblock-content { flex: 1; }

.textblock-title {
    font-weight: 600;
    color: var(--color-text);
}

.textblock-text {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    margin-top: 4px;
    line-height: 1.5;
}

.textblock-category {
    font-size: var(--font-sm);
    color: var(--color-accent);
    font-weight: 500;
}

/* =============================================
   Session-Abschluss-Leiste
   ============================================= */
.finish-section {
    padding: var(--space-xl);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

/* =============================================
   Leerer Zustand (Empty State)
   ============================================= */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
    gap: var(--space-md);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.empty-state-text {
    color: var(--color-text-muted);
    max-width: 320px;
}

/* =============================================
   Modal
   ============================================= */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: var(--space-lg);
}

.modal {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text);
}

.modal-body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* =============================================
   Einstellungen – Tab-Navigation
   ============================================= */
.settings-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.settings-tab {
    padding: 12px var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-base);
    font-family: var(--font);
    color: var(--color-text-muted);
    transition: color var(--transition), border-color var(--transition);
    margin-bottom: -1px;
    font-weight: 500;
    min-height: 48px;
}

.settings-tab:hover:not(.active) {
    color: var(--color-text);
}

.settings-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* =============================================
   Einstellungen – Theme-Karten
   ============================================= */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
}

.theme-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.theme-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.theme-card.active {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* Farb-Preview-Streifen im Theme-Karte */
.theme-preview {
    height: 72px;
    display: flex;
}

.theme-preview-col {
    flex: 1;
}

.theme-name {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-card);
    text-align: center;
}

.theme-card.active .theme-name {
    color: var(--color-accent);
}

/* =============================================
   Einstellungen – Farbpaletten-Editor
   ============================================= */
.color-pickers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.color-picker-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.color-swatch {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Native Color-Picker – einheitliches Styling */
.color-swatch input[type="color"] {
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 3px;
    background: var(--color-surface);
}

.color-swatch input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-swatch input[type="color"]::-webkit-color-swatch {
    border-radius: var(--radius-sm);
    border: none;
}

.color-hex {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    font-family: 'Courier New', monospace;
}

/* =============================================
   Auth-Seiten – Login, Registrierung, Passwort vergessen
   ============================================= */

/* Vollbild-Wrapper: Karte vertikal und horizontal zentriert */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    padding: var(--space-lg);
}

/* Karte mit begrenzter Breite – passt auf jedes Gerät */
.auth-card {
    width: 100%;
    max-width: 420px;
}

/* Markenbereich oben in der Karte */
.auth-brand {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.auth-brand-name {
    display: block;
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.auth-brand-sub {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Überschrift innerhalb der Karte */
.auth-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

/* Formular-Stack mit gleichmäßigen Abständen */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Inline-Fehlermeldung */
.auth-error {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-danger-subtle);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius);
    font-size: var(--font-sm);
    margin-bottom: var(--space-sm);
}

/* Inline-Erfolgsmeldung */
.auth-success {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-success-subtle);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    border-radius: var(--radius);
    font-size: var(--font-sm);
}

/* Links unterhalb des Formulars */
.auth-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-sm);
    justify-content: center;
    align-items: center;
    margin-top: var(--space-lg);
    font-size: var(--font-sm);
}

.auth-links-divider {
    color: var(--color-text-muted);
}

/* Validierungsfehler direkt unter einem Formularfeld */
.auth-field-error {
    font-size: var(--font-sm);
    color: var(--color-danger);
}

/* Radio-Button-Optionen (Registrierungstyp) */
.auth-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.auth-radio-option {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
}

.auth-radio-option:has(input:checked) {
    border-color: var(--color-accent);
    background-color: var(--color-accent-subtle);
}

.auth-radio-option input[type="radio"] {
    margin-top: 3px;
    accent-color: var(--color-accent);
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.auth-radio-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    cursor: pointer;
}

.auth-radio-title {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-base);
}

.auth-radio-sub {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
}

/* Lade-Spinner-Animation (verwendet mit Bootstrap-Icons bi-arrow-repeat) */
@keyframes auth-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.auth-spinner {
    display: inline-block;
    animation: auth-spin 0.75s linear infinite;
}

/* =============================================
   Abo-Warnbanner (SubscriptionWarningBanner)
   ============================================= */

/* Gemeinsame Basis – liegt direkt unter der Topbar */
.abo-warnbanner {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-xl);
    font-size: var(--font-sm);
    font-weight: 500;
    flex-shrink: 0;
}

/* Warnzustand: Abo läuft bald ab */
.abo-warnbanner--warnung {
    background-color: var(--color-warning-subtle);
    color: var(--color-warning);
    border-bottom: 1px solid var(--color-warning);
}

/* Fehlerzustand: Abo bereits abgelaufen */
.abo-warnbanner--abgelaufen {
    background-color: var(--color-danger-subtle);
    color: var(--color-danger);
    border-bottom: 1px solid var(--color-danger);
}

.abo-warnbanner-text {
    flex: 1;
}

/* CTA-Link im Banner – erbt Farbe vom Elternelement */
.abo-warnbanner-link {
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity var(--transition);
}

.abo-warnbanner-link:hover {
    color: inherit;
    opacity: 0.8;
}

/* =============================================
   Blazor Error UI
   ============================================= */
#blazor-error-ui {
    background-color: var(--color-surface);
    border-top: 2px solid var(--color-danger);
    bottom: 0;
    color: var(--color-text);
    display: none;
    left: 0;
    padding: var(--space-md) var(--space-lg);
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: var(--font-sm);
}

#blazor-error-ui .reload {
    color: var(--color-accent);
    margin-left: var(--space-sm);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

/* =============================================
   Hilfsklassen
   ============================================= */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.items-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm        { gap: var(--space-sm); }
.gap-md        { gap: var(--space-md); }
.gap-lg        { gap: var(--space-lg); }
.flex-1        { flex: 1; }
.text-muted    { color: var(--color-text-muted); }
.text-accent   { color: var(--color-accent); }
.text-danger   { color: var(--color-danger); }
.text-success  { color: var(--color-success); }
.font-bold     { font-weight: 700; }
.font-medium   { font-weight: 500; }
.text-sm       { font-size: var(--font-sm); }
.text-lg       { font-size: var(--font-lg); }
.mt-sm         { margin-top: var(--space-sm); }
.mt-md         { margin-top: var(--space-md); }
.mt-lg         { margin-top: var(--space-lg); }
.mb-lg         { margin-bottom: var(--space-lg); }
.w-full        { width: 100%; }

/* =============================================
   Responsive – schmale Geräte
   ============================================= */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 200px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header {
        padding: var(--space-lg) var(--space-md);
    }

    .page-body {
        padding: var(--space-lg) var(--space-md);
    }

    .timer-display {
        font-size: 3rem;
    }

    .color-pickers-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── Gewichtskurve (CustomerDetail) ─────────────────────────────────────── */
.weight-chart-container {
    width: 100%;
    margin-top: var(--space-md);
}

/* Quellenhinweis unterhalb der Gewichtstabelle (vor der Perzentilkurve) */
.who-data-notice {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}