/* Custom styles for Civic Sentinel - Enhanced Version */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-danger: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    --shadow-light: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 5px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode variables */
[data-theme="dark"] {
    --light-color: #121212;
    --dark-color: #ffffff;
    --secondary-color: #b0b0b0;
    --shadow-light: 0 2px 15px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 5px 25px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] body {
    background: #121212;
    color: #ffffff;
}

[data-theme="dark"] .text-muted {
    color: #b0b0b0 !important;
}

[data-theme="dark"] .bg-light {
    background: #2d2d2d !important;
    color: #ffffff !important;
}

[data-theme="dark"] .navbar {
    background: #1e1e1e !important;
}

[data-theme="dark"] .card {
    background: #1e1e1e !important;
    color: #ffffff !important;
    border: 1px solid #333 !important;
}

[data-theme="dark"] .form-control {
    background: #2d2d2d !important;
    color: #ffffff !important;
    border: 1px solid #444 !important;
}

[data-theme="dark"] .form-control:focus {
    background: #2d2d2d !important;
    color: #ffffff !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25) !important;
}

/* General styles */
body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark-color);
    background: var(--light-color);
    transition: var(--transition);
    line-height: 1.6;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* Modern Navbar */
.modern-navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

[data-theme="dark"] .modern-navbar {
    background: rgba(30, 30, 30, 0.95) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modern-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2c3e50 !important;
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition);
}

[data-theme="dark"] .modern-brand {
    color: #ffffff !important;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 12px;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.brand-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .brand-text {
    background: linear-gradient(135deg, #8fa4f3 0%, #9575cd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modern-brand:hover {
    transform: translateY(-2px);
}

.modern-brand:hover .brand-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.nav-link {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    color: #2c3e50 !important;
    padding: 0.75rem 1.25rem !important;
    border-radius: 25px;
    margin: 0 0.25rem;
}

[data-theme="dark"] .nav-link {
    color: #ffffff !important;
}

.nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea !important;
    transform: translateY(-1px);
}

.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.nav-link i {
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.theme-toggle {
    background: rgba(102, 126, 234, 0.1);
    border: 2px solid rgba(102, 126, 234, 0.3);
    color: #667eea;
    border-radius: 25px;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.theme-toggle:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Add top padding to body for fixed navbar */
body {
    padding-top: 80px;
}

/* Enhanced cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    overflow: hidden;
    background: white;
}



.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.card-header {
    border-top-left-radius: var(--border-radius) !important;
    border-top-right-radius: var(--border-radius) !important;
    background: var(--gradient-primary) !important;
    color: white !important;
    font-weight: 600;
    padding: 1.25rem;
}

.card-gradient-success {
    background: var(--gradient-success) !important;
}

.card-gradient-danger {
    background: var(--gradient-danger) !important;
}

/* Animated buttons */
.btn {
    border-radius: var(--border-radius);
    padding: 0.75rem 2rem;
    transition: var(--transition);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    box-shadow: 0 4px 15px rgba(25, 135, 84, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(25, 135, 84, 0.3);
}

.btn-danger {
    background: var(--gradient-danger);
    border: none;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

/* Floating action button */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-medium);
    font-size: 1.5rem;
    transition: var(--transition);
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-heavy);
}

/* Enhanced upload area */
.upload-area {
    border: 3px dashed #ced4da;
    border-radius: var(--border-radius);
    padding: 3rem;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(13, 110, 253, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.upload-area:hover::before {
    opacity: 1;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f1f8ff 0%, #e3f2fd 100%);
    transform: scale(1.005);
}

.upload-area.dragover {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-color: var(--primary-color) !important;
    transform: scale(1.05);
}

/* Loading animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* Enhanced progress bars */
.progress {
    height: 12px;
    border-radius: 10px;
    margin-bottom: 1rem;
    background: #e9ecef;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0,0,0,.2);
}

.progress-bar {
    background: var(--gradient-primary);
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, .2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, .2) 50%,
        rgba(255, 255, 255, .2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: move 1s linear infinite;
}

@keyframes move {
    0% { background-position: 0 0; }
    100% { background-position: 1rem 0; }
}

/* Statistics cards */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Enhanced alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

/* Tooltips */
.tooltip-custom {
    position: relative;
    cursor: help;
}

.tooltip-custom::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.tooltip-custom:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* Footer enhancements */
footer {
    margin-top: 4rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* Responsive enhancements */
@media (max-width: 768px) {
    .card-title {
        font-size: 1.1rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .fab {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* Print styles */
@media print {
    .navbar,
    .fab,
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}