/* TK Privat Security - Zeiterfassung
   Industrial Security Aesthetic */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Dark Industrial Palette */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #18181b;
    --bg-card-hover: #1f1f23;
    --bg-elevated: #27272a;
    
    /* Accent Colors */
    --accent-primary: #f59e0b;
    --accent-primary-dim: rgba(245, 158, 11, 0.15);
    --accent-success: #22c55e;
    --accent-success-dim: rgba(34, 197, 94, 0.15);
    --accent-danger: #ef4444;
    --accent-danger-dim: rgba(239, 68, 68, 0.15);
    --accent-warning: #eab308;
    --accent-info: #3b82f6;
    --accent-info-dim: rgba(59, 130, 246, 0.15);
    
    /* Text */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Borders */
    --border-color: #27272a;
    --border-accent: #3f3f46;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.2);
    
    /* Spacing */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, var(--accent-primary), #d97706);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--bg-primary);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.logo-text {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-primary-dim);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.nav-item.active svg {
    opacity: 1;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    background: var(--bg-primary);
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Event Selector */
.event-selector {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.event-selector:hover {
    border-color: var(--border-accent);
}

.event-selector select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    min-width: 200px;
}

.event-selector select option {
    background: var(--bg-card);
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.primary { background: var(--accent-primary-dim); color: var(--accent-primary); }
.stat-icon.success { background: var(--accent-success-dim); color: var(--accent-success); }
.stat-icon.danger { background: var(--accent-danger-dim); color: var(--accent-danger); }
.stat-icon.info { background: var(--accent-info-dim); color: var(--accent-info); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.stat-trend {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-trend.up { color: var(--accent-success); }
.stat-trend.down { color: var(--accent-danger); }

/* Bereich Status Cards */
.bereiche-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.bereich-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

.bereich-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--bereich-farbe, var(--accent-primary));
}

.bereich-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.bereich-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.bereich-name {
    font-weight: 600;
    font-size: 1rem;
}

.bereich-kuerzel {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.bereich-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.bereich-stat {
    text-align: center;
}

.bereich-stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
}

.bereich-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bereich-progress {
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
}

.bereich-progress-bar {
    height: 100%;
    background: var(--bereich-farbe, var(--accent-primary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.bereich-status {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bereich-status.ok { color: var(--accent-success); }
.bereich-status.warning { color: var(--accent-warning); }
.bereich-status.critical { color: var(--accent-danger); }

/* Firma Status Table */
.firma-table {
    width: 100%;
}

.firma-row {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr) auto;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

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

.firma-row.header {
    background: var(--bg-elevated);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.firma-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.firma-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.firma-badge.intern {
    background: var(--accent-primary-dim);
    color: var(--accent-primary);
}

.firma-badge.partner {
    background: var(--accent-info-dim);
    color: var(--accent-info);
}

.firma-value {
    font-family: 'JetBrains Mono', monospace;
    text-align: center;
}

.firma-differenz {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.firma-differenz.ok { color: var(--accent-success); }
.firma-differenz.missing { color: var(--accent-danger); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #d97706;
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

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

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-dim);
}

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

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
}

.file-upload:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary-dim);
}

.file-upload.dragover {
    border-color: var(--accent-primary);
    background: var(--accent-primary-dim);
}

.file-upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--text-muted);
}

.file-upload-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-elevated);
}

tr:hover td {
    background: var(--bg-card-hover);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.badge-success { background: var(--accent-success-dim); color: var(--accent-success); }
.badge-danger { background: var(--accent-danger-dim); color: var(--accent-danger); }
.badge-warning { background: rgba(234, 179, 8, 0.15); color: var(--accent-warning); }
.badge-info { background: var(--accent-info-dim); color: var(--accent-info); }

/* Alert Messages */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success { background: var(--accent-success-dim); color: var(--accent-success); border: 1px solid rgba(34, 197, 94, 0.3); }
.alert-danger { background: var(--accent-danger-dim); color: var(--accent-danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-warning { background: rgba(234, 179, 8, 0.15); color: var(--accent-warning); border: 1px solid rgba(234, 179, 8, 0.3); }
.alert-info { background: var(--accent-info-dim); color: var(--accent-info); border: 1px solid rgba(59, 130, 246, 0.3); }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.modal-close:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Live Status Indicator */
.live-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent-success);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .bereiche-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-success); }
.text-danger { color: var(--accent-danger); }
.text-warning { color: var(--accent-warning); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none; }