/* ========================================
   RENTBETA HOME PAGE - COMPLETE STYLES
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #0A3A5C;
    --primary-dark: #05263D;
    --primary-light: #1D4E72;
    --secondary: #E67E22;
    --secondary-dark: #D35400;
    --secondary-soft: rgba(230, 126, 34, 0.1);
    --success: #10B981;
    --success-soft: rgba(16, 185, 129, 0.1);
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --text-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border: #E5E7EB;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
}

/* ---------- Navigation ---------- */
.navbar {
    background: var(--bg-white);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.98);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary-dark);
}

.logo span {
    color: var(--secondary);
}

/* Search Bar */
.search-wrapper {
    flex: 1;
    max-width: 500px;
}

.search-container {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-light);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.search-input-wrapper {
    flex: 1;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,58,92,0.1);
}

.search-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-toggle {
    background: var(--bg-white);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.filter-toggle.active {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-login {
    padding: 0.5rem 1.25rem;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.btn-login:hover {
    background: var(--primary);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-signup {
    padding: 0.5rem 1.25rem;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-light);
    border: none;
    padding: 0.375rem 1rem;
    border-radius: 40px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.user-menu-btn:hover {
    background: var(--border);
}

.user-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.user-dropdown a:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 0;
}

.logout-link {
    color: var(--danger) !important;
}

/* ---------- Filters Panel ---------- */
.filters-panel {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.filters-panel.open {
    max-height: 600px;
}

.filters-content {
    background: var(--bg-white);
    margin-top: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
    padding: 0.625rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: var(--transition);
    font-family: inherit;
    width: 100%;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,58,92,0.1);
}

.price-range {
    display: flex;
    gap: 0.5rem;
}

.price-range input {
    flex: 1;
}

.filter-actions {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    grid-column: span 1;
}

.btn-clear {
    padding: 0.625rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    flex: 1;
}

.btn-clear:hover {
    background: var(--danger);
    color: var(--text-white);
    border-color: var(--danger);
}

.btn-apply {
    padding: 0.625rem 1.5rem;
    background: var(--primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    flex: 1;
}

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

/* ---------- Results Header ---------- */
.results-header {
    max-width: 1400px;
    margin: 2rem auto 0;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-stats h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.results-stats p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition);
}

.view-btn.active {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

/* ---------- Hostel Grid ---------- */
.hostel-grid {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.hostel-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.hostel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Card Image */
.card-image {
    height: 220px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hostel-card:hover .card-image img {
    transform: scale(1.05);
}

.verified-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--success);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: var(--shadow-sm);
}

.availability-badge {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 2;
}

.no-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e7eb 100%);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Card Content */
.card-content {
    padding: 1.25rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.location {
    color: var(--text-light);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.location i {
    font-size: 0.7rem;
}

.address-detail {
    font-size: 0.7rem;
    color: var(--text-light);
}

.price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    margin: 0.5rem 0;
}

.price small {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-light);
}

.amenities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0;
}

.amenity-tag {
    background: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--text-light);
    transition: var(--transition);
}

.amenity-tag:hover {
    background: var(--primary);
    color: var(--text-white);
}

/* View Details Button */
.btn-details {
    display: block;
    text-align: center;
    padding: 0.75rem;
    background: var(--primary);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    margin-top: 1rem;
}

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

.btn-details i {
    transition: var(--transition);
}

.btn-details:hover i {
    transform: translateX(4px);
}

/* ---------- No Results ---------- */
.no-results {
    text-align: center;
    padding: 3rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    grid-column: 1 / -1;
}

.no-results i {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.no-results h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.no-results p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ---------- Toast Notification ---------- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--text-dark);
    color: var(--text-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 2001;
    font-size: 0.875rem;
}

.toast.show {
    transform: translateX(0);
}

/* ---------- Loading ---------- */
.loading {
    text-align: center;
    padding: 4rem;
    grid-column: 1 / -1;
}

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

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

/* ---------- List View ---------- */
.hostel-list {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hostel-list-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    display: flex;
    gap: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.hostel-list-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.list-image {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}

.list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.list-content {
    flex: 1;
    padding: 1rem 1rem 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.list-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.list-price {
    font-weight: 700;
    color: var(--primary);
}

.list-actions .btn-details {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    margin-top: 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet Landscape */
@media (max-width: 1200px) {
    .hostel-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .navbar-container {
        gap: 1rem;
    }
}

/* Tablet Portrait */
@media (max-width: 1024px) {
    .navbar-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem;
    }
    
    .search-wrapper {
        max-width: 100%;
    }
    
    .nav-actions {
        justify-content: space-between;
        width: 100%;
    }
    
    .filters-panel {
        padding: 0 1rem;
    }
    
    .filters-panel.open {
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .filters-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .filter-actions {
        grid-column: span 2;
        flex-direction: row;
    }
    
    .hostel-grid {
        padding: 0 1rem;
    }
    
    .results-header {
        padding: 0 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .view-toggle {
        width: 100%;
    }
    
    .view-btn {
        flex: 1;
        text-align: center;
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
        text-align: center;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .search-btn {
        width: 100%;
        justify-content: center;
    }
    
    .filter-toggle {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .btn-login, .btn-signup {
        padding: 0.375rem 0.875rem;
        font-size: 0.75rem;
    }
    
    .user-menu-btn span:not(.fa-chevron-down) {
        display: none;
    }
    
    .user-menu-btn {
        padding: 0.375rem 0.75rem;
    }
    
    .filters-content {
        grid-template-columns: 1fr;
    }
    
    .filter-actions {
        grid-column: span 1;
        flex-direction: column;
    }
    
    .btn-clear, .btn-apply {
        width: 100%;
        text-align: center;
    }
    
    .price-range {
        flex-direction: column;
    }
    
    .hostel-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .card-image {
        height: 200px;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .price {
        font-size: 1.125rem;
    }
    
    .hostel-list-item {
        flex-direction: column;
    }
    
    .list-image {
        width: 100%;
        height: 180px;
    }
    
    .list-content {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
    }
    
    .list-actions {
        width: 100%;
    }
    
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        text-align: center;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    .navbar {
        padding: 0.5rem;
    }
    
    .navbar-container {
        padding: 0.5rem;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .search-input {
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
    }
    
    .search-btn {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .filter-toggle {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
    
    .filter-toggle span:first-child {
        display: none;
    }
    
    .filter-toggle span:last-child {
        font-size: 1rem;
    }
    
    .btn-login, .btn-signup {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .results-stats h2 {
        font-size: 1.25rem;
    }
    
    .results-stats p {
        font-size: 0.75rem;
    }
    
    .card-image {
        height: 160px;
    }
    
    .card-content {
        padding: 0.875rem;
    }
    
    .card-title {
        font-size: 0.875rem;
    }
    
    .location {
        font-size: 0.65rem;
    }
    
    .price {
        font-size: 1rem;
    }
    
    .amenity-tag {
        font-size: 0.6rem;
        padding: 0.2rem 0.5rem;
    }
    
    .btn-details {
        font-size: 0.75rem;
        padding: 0.625rem;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .card-title {
        font-size: 0.8rem;
    }
    
    .price {
        font-size: 0.875rem;
    }
}

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

:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}