/* ApartmentAds.com - Modern Rental Platform Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #111827;
    --text-medium: #374151;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--white) 0%, #fafbfc 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(229, 231, 235, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.125rem 0;
    gap: 2rem;
}

.logo {
    font-size: 1.625rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    transition: all 0.3s ease;
    letter-spacing: -0.02em;
}

.logo:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.logo i {
    font-size: 1.875rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
}

.logo:hover i {
    transform: scale(1.1) rotate(5deg);
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    list-style: none;
    flex: 1;
    justify-content: flex-end;
    margin: 0;
    padding: 0;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.625rem 1.125rem;
    border-radius: 0.625rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    white-space: nowrap;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0.375rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(59, 130, 246, 0.05) 100%);
    transform: translateY(-1px);
}

.nav-links a:hover::before {
    width: calc(100% - 2.25rem);
}

.nav-links a i {
    font-size: 0.875rem;
    transition: transform 0.25s ease;
}

.nav-links a:hover i {
    transform: scale(1.15);
}

.nav-links .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 0.6875rem 1.5rem;
    margin-left: 0.75rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    border: none;
    position: relative;
    overflow: hidden;
}

.nav-links .btn-primary::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: left 0.5s ease;
}

.nav-links .btn-primary:hover::before {
    left: 100%;
}

.nav-links .btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.nav-links .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.mobile-menu-toggle:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Responsive Navbar */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        gap: 0.5rem;
        align-items: stretch;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        width: 100%;
        justify-content: flex-start;
        padding: 0.875rem 1rem;
    }
    
    .nav-links .btn-primary {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}

/* Buttons */
.btn {
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    font-family: inherit;
}

.btn i {
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    border: 1.5px solid var(--border-color);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.search-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
}

.search-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

.search-form input,
.search-form select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
    font-family: inherit;
}

.search-form input:focus,
.search-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-form button {
    height: fit-content;
    padding: 0.875rem 2rem;
    font-weight: 600;
}

/* Filters */
.filters {
    background: var(--white);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-right: 0.5rem;
}

.filter-group input,
.filter-group select {
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    transition: all 0.2s;
    font-family: inherit;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Listings Grid */
.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.listing-card {
    background: var(--white);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.listing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.listing-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--bg-lighter);
    display: block;
}

.listing-content {
    padding: 1.5rem;
}

.listing-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.listing-price span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
}

.listing-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.listing-location {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.listing-details {
    display: flex;
    gap: 1.25rem;
    color: var(--text-light);
    font-size: 0.9rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.listing-details span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* Listing Detail Page */
.listing-detail {
    padding: 2rem 0;
}

.listing-header {
    margin-bottom: 2rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.listing-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.listing-header .location {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.listing-header .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.listing-header .price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.gallery-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: transform 0.3s;
    box-shadow: var(--shadow-md);
}

.gallery-image:hover {
    transform: scale(1.02);
}

.listing-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.listing-description {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.listing-description h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.listing-description p {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 1rem;
}

.listing-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.info-card h3 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item span:first-child {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item span:last-child {
    font-weight: 600;
    color: var(--text-dark);
}

.amenities-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.amenity-tag {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.875rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
}

.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(37, 99, 235, 0.1);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-item label {
    margin: 0;
    font-weight: 500;
    cursor: pointer;
}

/* Dashboard */
.dashboard {
    padding: 2rem 0;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.dashboard-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.dashboard-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

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

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

.table th {
    font-weight: 600;
    background: var(--bg-light);
    color: var(--text-dark);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Messages */
.message-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
    background: var(--white);
}

.message-item:hover {
    background: var(--bg-light);
}

.message-item.unread {
    background: #eff6ff;
    font-weight: 500;
    border-left: 4px solid var(--primary-color);
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    align-items: center;
}

.message-sender {
    font-weight: 600;
    color: var(--text-dark);
}

.message-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

.message-text {
    color: var(--text-medium);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.message-listing {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert i {
    font-size: 1.25rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
}

.footer-section h3 {
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .search-form {
        grid-template-columns: 1fr;
    }
    
    .listings-grid {
        grid-template-columns: 1fr;
    }
    
    .listing-info {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .nav-links a {
        width: 100%;
        justify-content: flex-start;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    nav {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo {
        width: 100%;
    }
}

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

.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; }

.hidden {
    display: none;
}

.flex {
    display: flex;
}

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }