/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --info-color: #4299e1;
    --dark-color: #2d3748;
    --light-color: #f7fafc;
    --white-color: #ffffff;
    --text-color: #2d3748;
    --text-light: #718096;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Header ===== */
.main-header {
    background: var(--white-color);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    font-weight: 500;
    color: var(--text-color);
}

.user-name i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    text-align: center;
    padding: 2rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content .logo {
    margin-bottom: 1rem;
}

.hero-content .logo i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.welcome-box {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-color);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    margin-top: 2rem;
}

.welcome-box h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.info-text {
    font-size: 1.1rem;
    margin: 1.5rem 0;
    line-height: 1.8;
}

.info-text i {
    color: var(--primary-color);
    margin-right: 8px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--text-light);
    color: var(--white-color);
}

.btn-secondary:hover {
    background: var(--dark-color);
    transform: translateY(-2px);
}

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

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

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-link {
    color: var(--primary-color);
    padding: 8px;
}

.btn-link:hover {
    color: var(--secondary-color);
}

/* ===== Features Section ===== */
.features-section {
    padding: 80px 0;
    background: var(--white-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white-color);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.login-container {
    background: var(--white-color);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 450px;
    width: 100%;
}

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

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-light);
}

.login-form {
    margin: 2rem 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
}

/* ===== Alerts ===== */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert i {
    font-size: 1.2rem;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: #bee3f8;
    color: #2c5282;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background: #feebc8;
    color: #7c2d12;
    border-left: 4px solid var(--warning-color);
}

/* ===== City Pages ===== */
.city-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    padding: 60px 20px;
    text-align: center;
    margin-top: 70px;
}

.city-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.city-header p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
}

.city-content {
    padding: 60px 20px;
}

.city-section {
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white-color);
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.3rem;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.card-body p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.card-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    padding: 8px;
    background: var(--light-color);
    border-radius: 6px;
}

.card-info i {
    color: var(--primary-color);
    margin-top: 3px;
    flex-shrink: 0;
}

.card-info a {
    color: var(--primary-color);
}

.card-info a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ===== Badge ===== */
.badge {
    display: inline-block;
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.3);
}

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

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

.badge-info {
    background: var(--info-color);
    color: var(--white-color);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.9;
}

.footer-section p i {
    margin-right: 8px;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    font-size: 1.5rem;
}

.social-links a {
    color: var(--white-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ===== Admin Styles ===== */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 250px;
    height: 100vh;
    background: var(--dark-color);
    color: var(--white-color);
    padding: 20px;
    overflow-y: auto;
}

.admin-sidebar .logo {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-sidebar .logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.admin-sidebar .logo h2 {
    font-size: 1.2rem;
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: 10px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.admin-nav a:hover,
.admin-nav a.active {
    background: var(--primary-color);
}

.admin-nav i {
    font-size: 1.1rem;
}

.admin-content {
    margin-left: 250px;
    padding: 30px;
    min-height: 100vh;
    background: var(--light-color);
}

.admin-header {
    background: var(--white-color);
    padding: 20px 30px;
    margin: -30px -30px 30px -30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    color: var(--dark-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white-color);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.stat-info h3 {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: normal;
    margin-bottom: 0.5rem;
}

.stat-info .stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--dark-color);
}

.admin-card {
    background: var(--white-color);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.admin-card h2 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table thead {
    background: var(--light-color);
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    font-weight: 600;
    color: var(--dark-color);
}

table tbody tr:hover {
    background: var(--light-color);
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-icon {
    padding: 8px 12px;
    font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .city-header h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-content {
        margin-left: 200px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .admin-sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ===== Badge Styles ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

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

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

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

.badge-info {
    background-color: var(--info-color);
    color: white;
}

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

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Action Buttons ===== */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-buttons .btn {
    margin: 0;
}

/* ===== Alert Info Style ===== */
.alert-info {
    background-color: #e6f7ff;
    border: 1px solid #91d5ff;
    color: #0050b3;
}

/* ===== Table Responsive ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}