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

:root {
    /* Farbpalette */
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --green-50: #f0fdf4;
    --green-600: #16a34a;
    --green-700: #15803d;
    --red-50: #fef2f2;
    --red-600: #dc2626;
    --red-700: #b91c1c;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;

    /* Semantische Theme-Variablen – Light Mode (Standard) */
    --c-bg: #f9fafb;
    --c-surface: #ffffff;
    --c-header: #ffffff;
    --c-footer: #ffffff;
    --c-border: #e5e7eb;
    --c-text: #1f2937;
    --c-text-muted: #6b7280;
    --c-text-heading: #111827;
    --c-nav-hover: #f3f4f6;
    --c-nav-active: #f3f4f6;
    --c-table-header: #f9fafb;
    --c-table-hover: #eff6ff;
    --c-input-bg: #ffffff;
    --c-input-border: #d1d5db;
    --c-form-section: #f9fafb;
    --c-search-bar: #f9fafb;
}

/* ===== Dark Mode ===== */
html[data-theme="dark"] {
    --c-bg: #0f1117;
    --c-surface: #181c27;
    --c-header: #181c27;
    --c-footer: #181c27;
    --c-border: #2a3050;
    --c-text: #e8eaf0;
    --c-text-muted: #8b93a7;
    --c-text-heading: #f0f2f8;
    --c-nav-hover: #1e2335;
    --c-nav-active: rgba(59, 130, 246, 0.12);
    --c-table-header: #1a1f30;
    --c-table-hover: #1e2335;
    --c-input-bg: #1e2335;
    --c-input-border: #2a3050;
    --c-form-section: #181c27;
    --c-search-bar: #181c27;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--c-bg);
    color: var(--c-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s, color 0.2s;
}

/* ===== Header ===== */
.header {
    background: var(--c-header);
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--c-text-heading);
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-link {
    padding: 8px 12px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--c-text-muted);
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover, .nav-link.active {
    background: var(--c-nav-hover);
    color: var(--c-text-heading);
}

.nav-link-primary {
    background: var(--blue-600);
    color: white !important;
}

.nav-link-primary:hover {
    background: var(--blue-700) !important;
    color: white !important;
}

/* ===== Main ===== */
.main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ===== Flash Messages ===== */
.flash-container {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.flash-success {
    background: var(--green-50);
    color: var(--green-700);
    border: 1px solid #bbf7d0;
}

.flash-error {
    background: var(--red-50);
    color: var(--red-700);
    border: 1px solid #fecaca;
}

.flash-close {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    font-size: 1rem;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.flash-close:hover { opacity: 1; }

/* ===== Page Header ===== */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--c-text-heading);
    line-height: 1.2;
}

.page-subtitle {
    color: var(--c-text-muted);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* ===== Card ===== */
.card {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--c-border);
    overflow: hidden;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--blue-500);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--blue-600);
    color: white;
    border-color: var(--blue-600);
}
.btn-primary:hover { background: var(--blue-700); border-color: var(--blue-700); }

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

.btn-ghost {
    background: transparent;
    color: var(--c-text-muted);
    border-color: transparent;
}
.btn-ghost:hover { background: var(--c-nav-hover); color: var(--c-text); }

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.btn-edit {
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-500);
    border-color: rgba(37, 99, 235, 0.2);
}
.btn-edit:hover { background: rgba(37, 99, 235, 0.2); }

.btn-delete {
    background: rgba(220, 38, 38, 0.1);
    color: #f87171;
    border-color: rgba(220, 38, 38, 0.2);
}
.btn-delete:hover { background: rgba(220, 38, 38, 0.2); }

/* ===== Search Bar ===== */
.search-bar {
    padding: 16px 20px;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-search-bar);
}

.search-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 9px 12px 9px 36px;
    border: 1px solid var(--c-input-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: var(--c-input-bg);
    color: var(--c-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.search-input:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* ===== Table ===== */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table thead {
    background: var(--c-table-header);
    border-bottom: 2px solid var(--c-border);
}

.table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--c-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.th-sortable { padding: 0; }

.sort-link {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--c-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
}

.sort-link:hover { color: var(--c-text-heading); background: var(--c-nav-hover); }

.th-sorted .sort-link { color: var(--blue-500); }

.sort-icon { font-size: 0.7rem; margin-left: 3px; opacity: 0.7; }

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--c-border);
    vertical-align: top;
}

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

.table-row:hover td { background: var(--c-table-hover); }

.td-bold { font-weight: 600; color: var(--c-text-heading); }
.td-center { text-align: center; }

.td-notizen {
    max-width: 200px;
}

.notizen-text {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
    color: var(--c-text-muted);
    cursor: help;
}

.td-actions {
    white-space: nowrap;
    display: flex;
    gap: 6px;
}

.col-actions { width: 200px; }

.btn-detail {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}
.btn-detail:hover { background: var(--gray-200); }

/* ===== Badge ===== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--blue-500);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-kuerzel {
    background: rgba(16, 163, 74, 0.12);
    color: var(--green-600);
    font-family: monospace;
    letter-spacing: 0.04em;
    border-radius: 4px;
}

/* ===== Farb-Dot (Fuhrpark) ===== */
.farbe-dot {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid rgba(0,0,0,0.18);
    flex-shrink: 0;
    vertical-align: middle;
}

/* ===== Label Badge ===== */
.badge-label {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

/* ===== Tel Link ===== */
.tel-link {
    color: var(--blue-500);
    text-decoration: none;
}
.tel-link:hover { text-decoration: underline; }

.table-link {
    color: var(--blue-500);
    text-decoration: none;
    font-weight: 500;
}
.table-link:hover { text-decoration: underline; }

/* ===== Checkbox List (Mitarbeiter Anlagen) ===== */
.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--c-input-border);
    border-radius: var(--radius);
    padding: 0.75rem;
    background: var(--c-input-bg);
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.2rem 0.25rem;
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--c-text);
}
.checkbox-item:hover { background: var(--c-nav-hover); }
.checkbox-item input[type="checkbox"] { accent-color: var(--blue-500); }

/* ===== Empty State ===== */
.empty-state {
    padding: 80px 24px;
    text-align: center;
    color: var(--c-text-muted);
}

.empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 8px;
}

.empty-state p {
    margin-bottom: 24px;
    font-size: 0.9rem;
}

/* ===== Form ===== */
.form-card {
    max-width: 900px;
}

.form-section {
    padding: 28px 32px;
    border-bottom: 1px solid var(--c-border);
}

.form-section:last-of-type { border-bottom: none; }

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group-wide { grid-column: span 3; }
.form-group-small { grid-column: span 1; }
.form-group-full { grid-column: span 4; }

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--c-text);
}
.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.78rem;
    color: var(--c-text-muted);
}

.required { color: #f87171; }

.form-input {
    padding: 9px 12px;
    border: 1px solid var(--c-input-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--c-text);
    background: var(--c-input-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

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

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    padding: 20px 32px;
    background: var(--c-form-section);
    border-top: 1px solid var(--c-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ===== Detail Page ===== */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
}

.detail-info { min-width: 0; }

.detail-map-col {
    position: sticky;
    top: 88px;
    height: 420px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.detail-field { display: flex; flex-direction: column; gap: 4px; }
.detail-field-wide { grid-column: span 3; }
.detail-field-full { grid-column: span 4; }

.detail-value {
    font-size: 0.95rem;
    color: var(--gray-800);
    font-weight: 500;
    padding: 2px 0;
}

.detail-meta {
    padding: 12px 32px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: 24px;
    font-size: 0.75rem;
    color: var(--gray-400);
}

.notizen-block {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.notiz-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--blue-50);
    color: var(--blue-700);
    border: 1px solid var(--blue-100);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}

@media (max-width: 900px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .detail-map-col {
        position: static;
        height: 300px;
    }
    .detail-grid {
        grid-template-columns: 1fr 1fr;
    }
    .detail-field-wide,
    .detail-field-full { grid-column: span 2; }
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--c-text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--c-border);
    background: var(--c-footer);
    margin-top: auto;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .main { padding: 20px 16px; }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .page-header .btn { text-align: center; justify-content: center; }

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

    .form-group-wide,
    .form-group-full { grid-column: span 2; }

    .form-section { padding: 20px 16px; }
    .form-actions { padding: 16px; }

    .search-form { flex-wrap: wrap; }
    .search-input-wrapper { width: 100%; }
}

@media (max-width: 480px) {
    .form-grid { grid-template-columns: 1fr; }
    .form-group-wide,
    .form-group-small,
    .form-group-full { grid-column: span 1; }
    .header-inner { padding: 0 16px; }
    .logo span { display: none; }
    .hamburger { display: flex; }
    .nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--c-header);
        border-bottom: 1px solid var(--c-border);
        flex-direction: column;
        align-items: stretch;
        padding: 8px;
        gap: 2px;
        z-index: 99;
    }
    .nav.open { display: flex; }
    .nav .nav-link, .nav .nav-user, .nav .theme-toggle {
        width: 100%;
        text-align: left;
    }
}

/* ===== Hamburger ===== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-text-muted);
    border-radius: 2px;
    transition: all 0.2s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Nav User ===== */
.nav-user {
    padding: 8px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    border-left: 1px solid var(--c-border);
    margin-left: 4px;
    padding-left: 16px;
}

/* ===== Theme Toggle ===== */
.theme-toggle {
    background: none;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    color: var(--c-text-muted);
    font-size: 1rem;
    padding: 6px 10px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    line-height: 1;
}
.theme-toggle:hover { background: var(--c-nav-hover); color: var(--c-text); }

/* ===== Login ===== */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-card {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px 32px 24px;
    text-align: center;
}

.login-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--c-text-heading);
    margin-top: 8px;
}

.login-subtitle {
    color: var(--c-text-muted);
    font-size: 0.875rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 0 32px 32px;
}

.login-btn {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}

/* ===== Fuhrpark TÜV-Warnzeilen ===== */
.row-warn td { background: rgba(245, 158, 11, 0.08) !important; }
.row-danger td { background: rgba(239, 68, 68, 0.08) !important; }
.row-warn:hover td { background: rgba(245, 158, 11, 0.15) !important; }
.row-danger:hover td { background: rgba(239, 68, 68, 0.15) !important; }

.tuev-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.tuev-warn { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.tuev-danger { background: rgba(239, 68, 68, 0.2); color: #ef4444; }

/* ===== Detail-Felder dark-mode ===== */
.detail-value { color: var(--c-text); }
.form-section-title { color: var(--c-text); }

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    flex-wrap: wrap;
    border-top: 1px solid var(--c-border);
}

.pagination-ellipsis {
    padding: 5px 8px;
    color: var(--c-text-muted);
    font-size: 0.875rem;
}

.pagination-current {
    font-weight: 700;
    color: var(--c-text-heading);
    cursor: default;
}

.tr-current {
    background-color: var(--c-primary-bg, #eef2ff);
    font-weight: 600;
}