/* ============================================
   Location Tracker App - Premium Dark Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-glass: rgba(26, 26, 37, 0.8);
    --bg-glass-light: rgba(255, 255, 255, 0.05);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Animated Background */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-primary);
    overflow: hidden;
}

.bg-animated::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.1) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Auth Layout */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 48px;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-logo {
    width: 100px;
    height: 100px;
    background: transparent;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    overflow: hidden;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Form Elements */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition-normal);
}

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

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
}

/* Links */
.auth-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.auth-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* Alert Messages */
.alert {
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

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

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

/* Dashboard Layout */
.dashboard {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-header {
    padding: 16px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-glass-light);
    border-radius: 100px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* Dashboard Content */
.dashboard-content {
    flex: 1;
    padding: 24px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Stats Cards */
.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.purple {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--accent-primary);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Map Container */
.map-container {
    flex: 1;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    min-height: 500px;
}

#map {
    width: 100%;
    height: 100%;
    min-height: 500px;
}

.map-controls {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.map-control-btn {
    padding: 14px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-normal);
}

.map-control-btn:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.map-control-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
}

.location-popup {
    padding: 4px;
}

.location-popup h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #1a1a25;
}

.location-popup p {
    font-size: 12px;
    color: #6b6b7b;
    margin: 2px 0;
}

/* Tables */
.data-table-container {
    overflow-x: auto;
    margin-top: 16px;
}

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

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-glass-light);
}

.data-table tr:hover td {
    background: var(--bg-glass-light);
}

.data-table td {
    font-size: 14px;
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-approved {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-master {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--accent-primary);
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass-light);
    padding: 4px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.tab.active {
    background: var(--accent-gradient);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .auth-card {
        padding: 32px 24px;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .header-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .dashboard-content {
        padding: 16px;
    }
    
    .map-controls {
        flex-direction: column;
        width: calc(100% - 32px);
    }
    
    .map-control-btn {
        justify-content: center;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px 8px;
    }
    
    .tabs {
        overflow-x: auto;
    }
}

/* Utilities */
.hidden {
    display: none !important;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }