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

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(20, 27, 45, 0.7);
    --bg-card-hover: rgba(30, 41, 69, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-glow: rgba(16, 185, 129, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-primary: #10b981; /* Emerald Green */
    --color-primary-hover: #059669;
    --color-primary-glow: rgba(16, 185, 129, 0.15);
    
    --color-warning: #f59e0b; /* Amber Yellow */
    --color-warning-glow: rgba(245, 158, 11, 0.15);
    
    --color-danger: #ef4444; /* Ruby Red */
    --color-danger-hover: #dc2626;
    --color-danger-glow: rgba(239, 68, 68, 0.15);
    
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Header styling */
header {
    height: 70px;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px var(--color-primary));
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.btn {
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #052e16;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: white;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
    transform: translateY(-1px);
}

/* Main Layout */
.app-container {
    flex: 1;
    display: flex;
    position: relative;
    height: calc(100vh - 70px);
}

/* Sidebar & Navigation */
.sidebar {
    width: 480px;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 999;
    transition: transform 0.3s ease;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 15, 28, 0.8);
}

.tab-btn {
    flex: 1;
    padding: 15px 10px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    border-bottom: 2px solid transparent;
}

.tab-btn i {
    font-size: 18px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(16, 185, 129, 0.04);
}

/* Tab Content Areas */
.tab-content-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tab-panel {
    display: none;
    height: 100%;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Filter controls */
.filter-group {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-input-group label {
    font-size: 12px;
    color: var(--text-secondary);
}

select, input[type="text"], input[type="number"], textarea {
    background: rgba(10, 15, 28, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

select:focus, input:focus, textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}

.range-inputs input {
    flex: 1;
}

.range-inputs span {
    color: var(--text-muted);
}

/* Room Cards Grid/List */
.room-list-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.room-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.room-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--text-muted);
    transition: background-color 0.25s;
}

.room-card.owner::before {
    background: var(--color-primary);
}

.room-card.broker::before {
    background: var(--color-warning);
}

.room-card.scam::before {
    background: var(--color-danger);
}

.room-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-main);
    border-color: rgba(255, 255, 255, 0.15);
}

.room-card.active {
    border-color: var(--color-primary);
    background: rgba(16, 185, 129, 0.05);
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.room-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}

.badge-owner {
    background: var(--color-primary-glow);
    color: var(--color-primary);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-broker {
    background: var(--color-warning-glow);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-scam {
    background: var(--color-danger-glow);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.room-price {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: baseline;
}

.room-price span {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 2px;
}

.room-address {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.room-details {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 8px;
}

.room-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-warning);
}

/* Post Analyzer Section */
.analyzer-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.textarea-container {
    position: relative;
}

.analyzer-textarea {
    height: 180px;
    resize: none;
    font-family: var(--font-body);
    line-height: 1.5;
}

.analyzer-results {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.result-card {
    border-radius: 8px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.result-card-ok {
    background: var(--color-primary-glow);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.result-card-warning {
    background: var(--color-warning-glow);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.result-card-danger {
    background: var(--color-danger-glow);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.result-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.extracted-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    font-size: 13px;
}

.extracted-item {
    background: rgba(10, 15, 28, 0.6);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 6px;
}

.extracted-label {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 2px;
}

.extracted-value {
    font-weight: 600;
}

/* Blacklist UI */
.blacklist-search-box {
    position: relative;
}

.blacklist-search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.blacklist-search-box input {
    padding-left: 40px;
}

.blacklist-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.blacklist-card {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.blacklist-phone {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-danger);
    display: flex;
    align-items: center;
    gap: 8px;
}

.blacklist-meta {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

/* Map area */
.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Custom styles for Leaflet elements to match Dark Mode */
.leaflet-container {
    background: #0f172a !important;
}

.leaflet-tile {
    filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

/* Hide Leaflet/OSM attribution badge in the map corner without affecting map behavior */
.leaflet-control-attribution {
    display: none !important;
}

.leaflet-popup-content-wrapper, .leaflet-popup-tip {
    background: var(--bg-main) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-main) !important;
}

.leaflet-popup-content {
    margin: 12px !important;
    font-family: var(--font-body) !important;
    font-size: 13px;
}

.leaflet-popup-close-button {
    color: var(--text-secondary) !important;
}

/* Popup specific layout */
.map-popup-title {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
    color: var(--text-primary);
}

.map-popup-price {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 14px;
    margin-bottom: 6px;
}

.map-popup-details {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Custom Marker Pins */
.custom-marker {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50% 50% 50% 0;
    background: var(--color-primary);
    transform: rotate(-45deg);
    border: 2px solid white;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.custom-marker i {
    transform: rotate(45deg);
    color: white;
    font-size: 14px;
}

.custom-marker.broker {
    background: var(--color-warning);
}

.custom-marker.scam {
    background: var(--color-danger);
}

.custom-marker.uni {
    background: #3b82f6;
    border-radius: 50%;
    transform: none;
    width: 36px;
    height: 36px;
}

.custom-marker.uni i {
    transform: none;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 500px;
    max-width: 90%;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    box-shadow: var(--shadow-main);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--color-danger);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

/* Floating Action Button (Mobile Map/List Toggle) */
.mobile-toggle {
    display: none;
    position: absolute;
    bottom: 24px;
    right: 24px;
    z-index: 1001;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-main);
    border: 1px solid var(--color-primary);
    padding: 12px 24px;
    border-radius: 30px;
    color: var(--text-primary);
    box-shadow: var(--shadow-main);
    font-weight: 600;
    font-size: 14px;
    z-index: 3000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.error {
    border-color: var(--color-danger);
}

/* Responsive Rules */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column-reverse;
    }
    
    .sidebar {
        width: 100%;
        height: 60%;
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 1000;
        transform: translateY(0);
    }
    
    .sidebar.hidden {
        transform: translateY(calc(100% - 50px));
    }
    
    .map-container {
        width: 100%;
        height: 100%;
    }
    
    .mobile-toggle {
        display: block;
    }
}

/* Suggestions dropdown styles */
.suggestions-container {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color) !important;
    border-radius: 8px;
    z-index: 1050 !important;
    max-height: 250px;
    overflow-y: auto;
    margin-top: 4px;
}

.suggestion-item {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

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

.suggestion-item:hover {
    background: rgba(16, 185, 129, 0.1);
}

.suggestion-item .school-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.suggestion-item .school-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.suggestion-item .school-abbr {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.suggestion-item .school-address {
    font-size: 11.5px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Giao diện 2 cột cho modal đăng trọ */
.post-modal-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .post-modal-grid {
        grid-template-columns: 1fr;
    }
    #post-mini-map {
        min-height: 250px !important;
    }
}

/* --- Giao diện Tìm Bạn Ở Ghép --- */
.roommate-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.2s ease-in-out;
    position: relative;
    overflow: hidden;
}

.roommate-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-main);
}

.roommate-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}

.roommate-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    padding-right: 50px; /* Tránh đè lên điểm tương thích */
}

.roommate-gender {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 12px;
    font-weight: 600;
}

.gender-nam {
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
}

.gender-nu {
    background: rgba(236, 72, 153, 0.12);
    color: #f472b6;
}

.match-score-badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 4px 8px;
    border-bottom-left-radius: 8px;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 2px;
}

.match-high {
    background: rgba(16, 185, 129, 0.15);
    border-left: 1px solid rgba(16, 185, 129, 0.3);
    border-bottom: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.match-medium {
    background: rgba(245, 158, 11, 0.15);
    border-left: 1px solid rgba(245, 158, 11, 0.3);
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.match-low {
    background: rgba(100, 116, 139, 0.15);
    border-left: 1px solid rgba(100, 116, 139, 0.3);
    border-bottom: 1px solid rgba(100, 116, 139, 0.3);
    color: #94a3b8;
}

.roommate-uni {
    font-size: 12px;
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.roommate-budget {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 600;
}

.roommate-habits {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.habit-badge {
    font-size: 9.5px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 3px;
}

.habit-clean {
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}

.habit-nosmoke {
    border-color: rgba(59, 130, 246, 0.2);
    color: #bfdbfe;
}

.roommate-desc {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.45;
    background: rgba(0,0,0,0.12);
    padding: 6px 8px;
    border-radius: 4px;
    border-left: 2px solid var(--color-primary);
}

.roommate-contact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2px;
}

.roommate-phone-btn {
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    transition: background 0.15s ease-in-out;
}

.roommate-phone-btn:hover {
    background: var(--color-primary-hover);
}

/* ==========================================
   12. MOBILE & iOS PLATFORM OPTIMIZATIONS (ANDROID & iOS)
   ========================================== */

* {
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 768px) {
    /* Header Siêu Gọn 1 Dòng (Compact Single-Row Header) */
    header {
        height: 52px !important;
        padding: 0 12px !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        gap: 0 !important;
        background: rgba(11, 15, 25, 0.95) !important;
    }

    /* Ẩn triệt để khẩu hiệu ở giữa trên di động */
    .hide-mobile,
    header .header-actions div.hide-mobile {
        display: none !important;
    }

    .logo-container {
        gap: 6px !important;
    }

    .logo-icon {
        font-size: 20px !important;
    }

    .logo-text {
        font-size: 15px !important;
    }

    .header-actions {
        width: auto !important;
        gap: 8px !important;
    }

    .header-actions .btn {
        min-height: 34px !important;
        padding: 6px 10px !important;
        font-size: 12px !important;
        border-radius: 18px !important;
        white-space: nowrap !important;
        flex: none !important;
    }

    .app-container {
        height: calc(100dvh - 52px) !important;
        height: calc(100vh - 52px) !important;
    }

    /* Ngăn iOS Safari tự động phóng to (Auto-zoom) khi nhấp vào ô input */
    input[type="text"],
    input[type="number"],
    input[type="search"],
    select,
    textarea {
        font-size: 16px !important;
    }

    .tab-content-wrapper {
        padding: 16px 16px 120px 16px !important;
    }
    
    /* Bố cục bộ lọc tìm kiếm di động */
    .search-filter-section {
        padding: 12px;
        gap: 10px;
    }
    
    .filter-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Modal dialog */
    .modal-content {
        width: 94% !important;
        max-width: 100% !important;
        margin: 20px auto;
        padding: 16px !important;
        border-radius: 16px !important;
    }
    
    .post-modal-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
    
    /* Danh sách bạn ở ghép */
    .roommates-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 13.5px !important;
    }

    .header-actions .btn {
        padding: 5px 8px !important;
        font-size: 11px !important;
    }

    .header-actions .btn i {
        font-size: 11px !important;
    }
    
    .sidebar {
        height: 60% !important;
    }
}

/* Sidebar Mobile Header Bar */
.sidebar-mobile-header {
    display: none;
}

@media (max-width: 900px) {
    .sidebar-mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 14px;
        background: rgba(15, 23, 42, 0.95);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .sidebar-mobile-header .sheet-title {
        font-size: 12px;
        font-weight: 700;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .sidebar-mobile-header .sheet-toggle-btn {
        background: rgba(16, 185, 129, 0.15);
        border: 1px solid rgba(16, 185, 129, 0.3);
        color: var(--color-primary);
        font-size: 11px;
        font-weight: 700;
        padding: 4px 10px;
        border-radius: 12px;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: all 0.2s ease;
    }

    .sidebar-mobile-header .sheet-toggle-btn:hover {
        background: var(--color-primary);
        color: white;
    }

    /* Đóng/Thu gọn bản đồ hoàn toàn (Full Screen List/Filter Mode) */
    .app-container.map-collapsed .map-container {
        display: none !important;
        height: 0px !important;
    }

    .app-container.map-collapsed .sidebar {
        height: calc(100dvh - 52px) !important;
        height: calc(100vh - 52px) !important;
        position: relative !important;
        z-index: 100 !important;
    }

    /* Tối ưu hóa kích thước Modals trên điện thoại di động */
    .modal-card {
        width: 94vw !important;
        max-width: 94vw !important;
        padding: 16px !important;
        border-radius: 12px !important;
        max-height: 85dvh !important;
        max-height: 85vh !important;
        gap: 12px !important;
    }

    .modal-body {
        max-height: 60dvh !important;
        max-height: 60vh !important;
        overflow-y: auto !important;
        padding-right: 4px !important;
    }
}