/*
 * Scanserver PWA - Stylesheet
 * Autor: Claude Opus 4.5
 * Datum: 2026-01-18
 * 
 * Design: Dark Theme mit Cyan-Akzenten
 * Mobile-First, Touch-optimiert
 */

/* === CSS VARIABLEN === */
:root {
    /* Farben - Dunkles Theme mit Cyan-Akzent */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent: #06b6d4;
    --accent-hover: #22d3ee;
    --accent-glow: rgba(6, 182, 212, 0.3);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Radien */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Schatten */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--accent-glow);
    
    /* Übergänge */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    /* Safe Area für Notch-Geräte */
    --safe-top: env(safe-area-inset-top, 0);
    --safe-bottom: env(safe-area-inset-bottom, 0);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* === LAYOUT === */
#app {
    min-height: 100vh;
    min-height: 100dvh;
}

.page {
    min-height: 100vh;
    min-height: 100dvh;
}

.hidden {
    display: none !important;
}

/* === LOGIN-SEITE === */
.login-container {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    padding-top: calc(var(--safe-top) + var(--spacing-lg));
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0c1222 100%);
}

.login-logo {
    width: 80px;
    height: 80px;
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-container h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

#login-form {
    width: 100%;
    max-width: 320px;
}

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.checkbox-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.error-msg {
    color: var(--danger);
    font-size: 0.875rem;
    text-align: center;
    margin-top: var(--spacing-md);
    min-height: 1.25rem;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-user-select: none;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #475569;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* === HEADER === */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    padding-top: calc(var(--safe-top) + var(--spacing-md));
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-icon {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.header-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

/* === SCAN-BUTTON === */
.scan-section {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.scan-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    width: 100%;
}

.scan-button {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    height: 50px;
    padding: 0 var(--spacing-md);
    background: linear-gradient(135deg, var(--accent) 0%, #0891b2 100%);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--bg-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

/* Oranger Button für Ralf (3/4 Breite) */
.scan-btn-primary {
    flex: 3;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3), var(--shadow-lg);
}

.scan-btn-primary:hover {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.4), var(--shadow-lg);
}

/* Grüner Button für Biggi (1/4 Breite) */
.scan-btn-biggi {
    flex: 1;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3), var(--shadow-lg);
}

.scan-btn-biggi:hover {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.4), var(--shadow-lg);
}

.scan-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--accent-glow), var(--shadow-lg);
}

.scan-button:active {
    transform: scale(0.95);
}

.scan-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.scan-icon {
    width: 24px;
    height: 24px;
}

.scan-text {
    font-size: 1rem;
    font-weight: 600;
}

/* === FORTSCHRITTSANZEIGE === */
.scan-progress {
    width: 100%;
    max-width: 300px;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-tertiary);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

#progress-message {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

#progress-percent {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-details {
    text-align: center;
}

.progress-step {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.progress-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.progress-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

/* === SORTIER-CONTROLS === */
.sort-controls {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.sort-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sort-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sort-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.sort-select:focus {
    border-color: var(--accent);
}

.sort-order-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sort-order-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.sort-order-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.sort-order-btn[data-order="asc"] svg {
    transform: rotate(180deg);
}

/* Animation für aktiven Scan */
.scan-progress.active .progress-fill {
    background: linear-gradient(90deg, var(--accent), var(--accent-hover), var(--accent));
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-glow);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === SUCHE === */
.search-section {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
}

#search-input {
    width: 100%;
    padding: 0.75rem 2.5rem;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

#search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: 8px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-clear:hover {
    background: #475569;
    color: var(--text-primary);
}

/* === DOKUMENT-LISTE === */
.documents-section {
    padding: 0 var(--spacing-md) var(--spacing-xl);
    padding-bottom: calc(var(--safe-bottom) + var(--spacing-xl));
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.doc-count {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
}

.pdf-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

/* === PDF-ITEM === */
.pdf-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.pdf-item:hover {
    border-color: var(--accent);
    background: #1a2744;
}

.pdf-item.selected {
    border-color: var(--accent);
    background: rgba(6, 182, 212, 0.15);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

/* === SUCH-ANIMATION === */
.search-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    color: var(--text-secondary);
}

.search-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.pdf-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    color: #ef4444;
    flex-shrink: 0;
}

.pdf-icon svg {
    width: 24px;
    height: 24px;
}

.pdf-info {
    flex: 1;
    min-width: 0;
}

.pdf-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pdf-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.pdf-snippet {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-style: italic;
}

.pdf-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.pdf-actions .btn-icon {
    width: 36px;
    height: 36px;
}

.pdf-actions .btn-icon svg {
    width: 18px;
    height: 18px;
}

.pdf-actions .btn-icon.download:hover {
    color: var(--success);
}

.pdf-actions .btn-icon.delete:hover {
    color: var(--danger);
}

.pdf-actions .btn-icon.rotate:hover {
    color: var(--accent);
}

/* === ROTATE DIALOG === */
.rotate-dialog {
    max-width: 360px;
}

.rotate-dialog .dialog-filename {
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-all;
    margin-bottom: var(--spacing-xs);
}

.rotate-dialog .dialog-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.rotate-controls {
    margin-bottom: var(--spacing-lg);
}

.rotate-select-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.rotate-select-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.rotate-select-group select {
    flex: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    font-size: 0.9rem;
}

.rotate-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-rotate {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-rotate:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.btn-rotate svg {
    width: 28px;
    height: 28px;
}

/* === PDF AKTIONS-MENÜ === */
.pdf-actions-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--spacing-md);
    z-index: 500;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    animation: slideUp 200ms ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.pdf-actions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.pdf-actions-title {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 50px);
}

.pdf-actions-info {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.pdf-actions-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.pdf-actions-buttons.three-cols {
    grid-template-columns: repeat(3, 1fr);
}

.pdf-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.pdf-action-btn:hover, .pdf-action-btn:active {
    background: var(--accent);
    color: var(--bg-primary);
}

.pdf-action-btn svg {
    width: 24px;
    height: 24px;
}

/* Ansehen-Button hervorheben */
.pdf-action-btn:first-child {
    background: var(--accent);
    color: var(--bg-primary);
}

.pdf-action-btn:first-child:hover {
    background: var(--accent-hover);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.875rem;
}

/* === OFFLINE-BANNER === */
.offline-banner {
    position: fixed;
    bottom: var(--spacing-md);
    bottom: calc(var(--safe-bottom) + var(--spacing-md));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: var(--warning);
    color: var(--bg-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 200;
}

.offline-banner svg {
    width: 18px;
    height: 18px;
}

/* === TOAST === */
#toast-container {
    position: fixed;
    top: var(--spacing-md);
    top: calc(var(--safe-top) + var(--spacing-md));
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 300;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    pointer-events: auto;
    animation: slideIn 300ms ease;
    border-left: 3px solid var(--accent);
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--danger);
}

.toast.warning {
    border-left-color: var(--warning);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === DIALOG === */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: 400;
    animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.dialog {
    width: 100%;
    max-width: 320px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: scaleIn 200ms ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.dialog h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.dialog p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.dialog-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* === RESPONSIVE === */
@media (min-width: 480px) {
    .login-container {
        padding: var(--spacing-xl);
    }
    
    #login-form {
        max-width: 360px;
    }
    
    .scan-button {
        max-width: 320px;
        height: 54px;
    }
    
    .scan-icon {
        width: 26px;
        height: 26px;
    }
    
    .scan-text {
        font-size: 1.1rem;
    }
}

@media (min-width: 768px) {
    .pdf-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pdf-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* === DARK MODE SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* === FOCUS STYLES (Accessibility) === */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* === SELECTION === */
::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

/* === PDF VIEWER MODAL === */
.pdf-viewer-container {
    width: 100%;
    height: 100%;
    max-width: 1200px;
    max-height: 95vh;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: auto;
}

.pdf-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
    flex-shrink: 0;
}

#pdf-viewer-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 100px);
}

.pdf-viewer-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.pdf-viewer-actions .btn-icon {
    color: var(--text-secondary);
}

.pdf-viewer-actions .btn-icon:hover {
    color: var(--accent);
}

.pdf-viewer-body {
    flex: 1;
    min-height: 0;
    background: #1a1a1a;
}

#pdf-viewer-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .pdf-viewer-container {
        border-radius: 0;
        max-height: 100vh;
        max-height: 100dvh;
    }
    
    .dialog-overlay:has(.pdf-viewer-container) {
        padding: 0;
    }
}


/* === OCR-QUEUE === */
.queue-section {
    margin-top: var(--spacing-lg);
}

.queue-list {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.queue-item {
    background: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.queue-title {
    font-weight: 600;
}

.queue-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.queue-error {
    margin-top: var(--spacing-xs);
    color: var(--danger);
    font-size: 0.85rem;
}

.queue-actions .btn-sm {
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
}

.queue-item.status-processing {
    border-color: var(--accent);
}

.queue-item.status-failed {
    border-color: var(--danger);
}

.queue-item.status-done {
    border-color: var(--success);
}


.queue-section.collapsed .queue-list {
    display: none;
}

.queue-section.collapsed .section-header h2 {
    opacity: 0.8;
}


/* Warning Button fuer Queue-Clear */
.btn-warning {
    background: #f59e0b;
    color: #000;
}

.btn-warning:hover {
    background: #d97706;
}