/* ============================================================
   CaraVax - Design System
   Premium Dark Theme fuer Hausarzt-Praxissoftware
   ============================================================ */

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
    /* Farben */
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-card-hover: #252840;
    --bg-input: #252840;
    --bg-input-focus: #2d3050;

    --border-color: #2d3050;
    --border-focus: #5b7fff;

    --text-primary: #e8eaf0;
    --text-secondary: #9ca3b4;
    --text-muted: #6b7280;

    --accent: #4477BB;
    --accent-hover: #3366AA;
    --accent-light: rgba(91, 127, 255, 0.15);

    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.12);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --info: #60a5fa;
    --info-bg: rgba(96, 165, 250, 0.12);

    /* Spacing */
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;

    /* Schatten */
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);

    /* Transition */
    --transition: all 0.2s ease;

    /* Flash Messages */
    --flash-success-bg: #065f46;
    --flash-success-text: #a7f3d0;
    --flash-success-border: #10b981;
    --flash-danger-bg: #7f1d1d;
    --flash-danger-text: #fecaca;
    --flash-danger-border: #ef4444;
    --flash-warning-bg: #78350f;
    --flash-warning-text: #fde68a;
    --flash-warning-border: #f59e0b;
    --flash-info-bg: #1e3a5f;
    --flash-info-text: #bfdbfe;
    --flash-info-border: #3b82f6;

    /* Buttons on colored bg */
    --btn-on-color: #0f1117;

    /* Purple accent */
    --purple: #a855f7;
    --purple-bg: rgba(168, 85, 247, 0.12);
}

/* ── Light Theme ──────────────────────────────────────── */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f5;
    --bg-input: #f0f2f5;
    --bg-input-focus: #e8eaed;

    --border-color: #d1d5db;
    --border-focus: #4a6ef0;

    --text-primary: #1a1d27;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;

    --accent: #4a6ef0;
    --accent-hover: #3b5ed8;
    --accent-light: rgba(74, 110, 240, 0.1);

    --success: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.12);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.12);
    --danger: #dc2626;
    --danger-bg: rgba(220, 38, 38, 0.12);
    --info: #2563eb;
    --info-bg: rgba(37, 99, 235, 0.1);

    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);

    --flash-success-bg: #dcfce7;
    --flash-success-text: #166534;
    --flash-success-border: #86efac;
    --flash-danger-bg: #fee2e2;
    --flash-danger-text: #991b1b;
    --flash-danger-border: #fca5a5;
    --flash-warning-bg: #fef3c7;
    --flash-warning-text: #92400e;
    --flash-warning-border: #fcd34d;
    --flash-info-bg: #dbeafe;
    --flash-info-text: #1e40af;
    --flash-info-border: #93c5fd;

    --btn-on-color: #ffffff;

    --purple: #7c3aed;
    --purple-bg: rgba(124, 58, 237, 0.1);
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

/* ── Layout ─────────────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.sidebar-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 0.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.nav-link:hover {
    background: var(--accent-light);
    color: var(--text-primary);
    border-left-color: var(--accent);
}
.nav-link.active {
    background: var(--accent-light);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 500;
}
.nav-link .nav-icon {
    font-size: 1.1rem;
    width: 1.4rem;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
}
.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.8rem;
}

/* ── Main Content ───────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-muted); }

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ── Stats Grid ─────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}
.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.yellow { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-icon.purple { background: var(--purple-bg); color: var(--purple); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ── Tables ─────────────────────────────────────────────── */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
}
thead th {
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}
tbody tr {
    transition: var(--transition);
}
tbody tr:hover {
    background: var(--bg-card-hover);
}
tbody tr:last-child td {
    border-bottom: none;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

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

.btn-success {
    background: var(--success);
    color: var(--btn-on-color);
}
.btn-success:hover {
    filter: brightness(0.9);
    color: var(--btn-on-color);
}

.btn-warning {
    background: var(--warning);
    color: var(--btn-on-color);
}
.btn-warning:hover {
    filter: brightness(0.9);
    color: var(--btn-on-color);
}

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { filter: brightness(0.9); }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-control {
    width: 100%;
    padding: 0.6rem 0.9rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 3px var(--accent-light);
}
select.form-control {
    appearance: auto;
}
textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}
.form-check input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}
.badge-offen { background: var(--warning-bg); color: var(--warning); }
.badge-geplant { background: var(--info-bg); color: var(--info); }
.badge-durchgefuehrt { background: var(--success-bg); color: var(--success); }
.badge-ja { background: var(--success-bg); color: var(--success); }
.badge-nein { background: var(--danger-bg); color: var(--danger); }
.badge-nachfragen { background: var(--warning-bg); color: var(--warning); }
.badge-admin { background: var(--purple-bg); color: var(--purple); }
.badge-nutzer { background: var(--info-bg); color: var(--info); }
.badge-heim { background: var(--purple-bg); color: var(--purple); }
.badge-zuhause { background: var(--info-bg); color: var(--info); }
.badge-faellig { background: var(--danger-bg); color: var(--danger); }
.badge-aktiv { background: var(--success-bg); color: var(--success); }
.badge-inaktiv { background: var(--danger-bg); color: var(--danger); }

/* ── Flash Messages ─────────────────────────────────────── */
.flash-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.flash {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    box-shadow: var(--shadow);
    animation: flashIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}
.flash-success { background: var(--flash-success-bg); color: var(--flash-success-text); border: 1px solid var(--flash-success-border); }
.flash-danger { background: var(--flash-danger-bg); color: var(--flash-danger-text); border: 1px solid var(--flash-danger-border); }
.flash-warning { background: var(--flash-warning-bg); color: var(--flash-warning-text); border: 1px solid var(--flash-warning-border); }
.flash-info { background: var(--flash-info-bg); color: var(--flash-info-text); border: 1px solid var(--flash-info-border); }

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

/* Admin-Warnung Banner */
.admin-warning-banner {
    background: #7f1d1d;
    border: 1px solid #dc2626;
    border-radius: var(--radius-sm);
    margin: 1rem 1.5rem 0;
    padding: 0;
    animation: flashIn 0.4s ease;
}
.admin-warning-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
}
.admin-warning-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    line-height: 1.4;
}
.admin-warning-text {
    flex: 1;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #fecaca;
}
.admin-warning-text strong {
    color: #fca5a5;
}
.admin-warning-text code {
    background: rgba(255,255,255,0.12);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-size: 0.82em;
    color: #fde68a;
}
.admin-warning-text a {
    color: #93c5fd;
    text-decoration: underline;
    font-weight: 500;
}
.admin-warning-text a:hover {
    color: #bfdbfe;
}
.admin-warning-close {
    background: none;
    border: none;
    color: #fca5a5;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0 0.25rem;
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.7;
}
.admin-warning-close:hover {
    opacity: 1;
}

[data-theme="light"] .admin-warning-banner {
    background: #fef2f2;
    border-color: #f87171;
}
[data-theme="light"] .admin-warning-text {
    color: #7f1d1d;
}
[data-theme="light"] .admin-warning-text strong {
    color: #991b1b;
}
[data-theme="light"] .admin-warning-text code {
    background: rgba(0,0,0,0.08);
    color: #92400e;
}
[data-theme="light"] .admin-warning-text a {
    color: #2563eb;
}
[data-theme="light"] .admin-warning-close {
    color: #991b1b;
}

/* ── Login Page ─────────────────────────────────────────── */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.login-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .logo h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-card .logo p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* ── Detail Info List ───────────────────────────────────── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
}
.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.info-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.info-value {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* ── Empty State ────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}
.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}
.empty-state p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* ── Pagination ─────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}
.pagination a, .pagination span {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.pagination a:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.pagination .active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ── Color Swatch ───────────────────────────────────────── */
.color-swatch {
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    display: inline-block;
    vertical-align: middle;
    border: 2px solid var(--border-color);
}

/* ── Modal / Confirmation ───────────────────────────────── */
.confirm-delete {
    display: inline;
}
.confirm-delete .btn-danger {
    font-size: 0.78rem;
}

/* ── Theme Toggle ──────────────────────────────────────── */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.3rem;
    line-height: 1;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}
.theme-toggle:hover {
    background: var(--accent-light);
}

/* ── Responsive ─────────────────────────────────────────── */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 3.5rem;
    }
    .mobile-toggle {
        display: block;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}