/* ============================================================
   RoommateMatch - Dark Naughty Theme
   ============================================================ */

/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b5;
    --text-muted: #606078;
    --accent-pink: #ff2d6a;
    --accent-pink-dark: #cc1f52;
    --accent-purple: #7c3aed;
    --accent-blue: #3b82f6;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-gold: #f59e0b;
    --border-color: #2a2a40;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a { color: var(--accent-pink); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-pink-dark); }

/* ======================= NAVBAR ======================= */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-pink) !important;
    letter-spacing: 1px;
}

.nav-links { display: flex; gap: 8px; align-items: center; }

.nav-link {
    color: var(--text-secondary) !important;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary) !important; background: rgba(255,255,255,0.05); }

.nav-register {
    background: var(--accent-pink) !important;
    color: #fff !important;
    border-radius: 25px;
    padding: 8px 24px;
}
.nav-register:hover { background: var(--accent-pink-dark) !important; }

.nav-logout { color: var(--accent-red) !important; }

/* ======================= MAIN CONTENT ======================= */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: calc(100vh - 120px);
}

/* ======================= FOOTER ======================= */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.footer-disclaimer { 
    color: var(--accent-pink);
    font-weight: 600;
    margin-top: 4px;
}

/* ======================= FORMS ======================= */
.form-container {
    max-width: 480px;
    margin: 40px auto;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}
.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 3px rgba(255,45,106,0.15);
}

.form-textarea { min-height: 100px; resize: vertical; }

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--accent-pink);
    color: #fff;
    width: 100%;
}
.btn-primary:hover { background: var(--accent-pink-dark); }

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--bg-card-hover); }

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-success {
    background: var(--accent-green);
    color: #fff;
}
.btn-success:hover { background: #16a34a; }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.form-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--accent-red);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.form-success {
    background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3);
    color: var(--accent-green);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.form-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ======================= SWIPE CARD ======================= */
.swipe-container {
    max-width: 500px;
    margin: 20px auto;
    position: relative;
}

.swipe-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.swipe-card-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    background: var(--bg-secondary);
    display: block;
}

.swipe-card-body {
    padding: 24px;
}

.swipe-card-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.swipe-card-age {
    color: var(--text-secondary);
    font-weight: 400;
}
.swipe-card-city {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.swipe-card-bio {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.swipe-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    background: rgba(255,45,106,0.15);
    color: var(--accent-pink);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag-green {
    background: rgba(34,197,94,0.15);
    color: var(--accent-green);
}

.tag-blue {
    background: rgba(59,130,246,0.15);
    color: var(--accent-blue);
}

.swipe-card-looking {
    background: var(--bg-primary);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}
.swipe-card-looking h4 {
    color: var(--accent-pink);
    font-size: 0.9rem;
    margin-bottom: 6px;
}
.swipe-card-looking p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.swipe-actions {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

.swipe-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
}
.swipe-btn:hover { transform: scale(1.1); }
.swipe-btn:active { transform: scale(0.95); }

.swipe-btn-pass { border-color: var(--accent-red); color: var(--accent-red); }
.swipe-btn-pass:hover { background: var(--accent-red); color: #fff; }

.swipe-btn-like { border-color: var(--accent-green); color: var(--accent-green); }
.swipe-btn-like:hover { background: var(--accent-green); color: #fff; }

.swipe-empty {
    text-align: center;
    padding: 60px 20px;
}
.swipe-empty h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}
.swipe-empty p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ======================= MATCHES ======================= */
.matches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.match-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.match-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.match-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-secondary);
}

.match-card-body {
    padding: 16px;
}

.match-card-name {
    font-size: 1.2rem;
    font-weight: 600;
}
.match-card-city {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.match-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* ======================= CHAT ======================= */
.chat-container {
    max-width: 600px;
    margin: 20px auto;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    height: 70vh;
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}
.chat-header h3 { font-size: 1.1rem; }
.chat-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    word-wrap: break-word;
}
.chat-message.sent {
    align-self: flex-end;
    background: var(--accent-pink);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-message.received {
    align-self: flex-start;
    background: var(--bg-primary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-message-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.chat-input:focus { outline: none; border-color: var(--accent-pink); }

.chat-send-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-pink);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}
.chat-send-btn:hover { background: var(--accent-pink-dark); }
.chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-empty {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* ======================= PROFILE ======================= */
.profile-container {
    max-width: 600px;
    margin: 20px auto;
}

.profile-header {
    text-align: center;
    margin-bottom: 30px;
}
.profile-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-pink);
    margin-bottom: 16px;
}
.profile-name {
    font-size: 1.8rem;
    font-weight: 700;
}

.profile-photos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.profile-photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.profile-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-photo-primary {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--accent-gold);
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

/* ======================= ADMIN ======================= */
.admin-layout { display: flex; min-height: calc(100vh - 60px); }

.admin-sidebar {
    width: 250px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    flex-shrink: 0;
}
.admin-sidebar-title {
    padding: 0 20px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-pink);
}
.admin-sidebar a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary) !important;
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.admin-sidebar a:hover, .admin-sidebar a.active {
    background: rgba(255,255,255,0.03);
    color: var(--text-primary) !important;
    border-left-color: var(--accent-pink);
}

.admin-content {
    flex: 1;
    padding: 24px;
    overflow-x: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.admin-header h1 { font-size: 1.6rem; }

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border-color);
}
.stat-card h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
}
.stat-card.pink .stat-value { color: var(--accent-pink); }
.stat-card.blue .stat-value { color: var(--accent-blue); }
.stat-card.green .stat-value { color: var(--accent-green); }
.stat-card.gold .stat-value { color: var(--accent-gold); }

/* ======================= TABLES ======================= */
.table-container { overflow-x: auto; }

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.admin-table th, .admin-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}
.admin-table th {
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--accent-gold); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--accent-blue); }

/* ======================= MATCH NOTIFICATION ======================= */
.match-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    border: 2px solid var(--accent-pink);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    z-index: 9999;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    animation: matchPop 0.5s ease;
}
.match-notification h2 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 8px;
}
.match-notification p { color: var(--text-secondary); margin-bottom: 20px; }

@keyframes matchPop {
    0% { transform: translate(-50%, -50%) scale(0); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

/* ======================= RESPONSIVE ======================= */
@media (max-width: 768px) {
    .navbar { padding: 0 12px; }
    .nav-logo { font-size: 1.1rem; }
    .nav-link { padding: 6px 10px; font-size: 0.8rem; }
    .nav-register { padding: 6px 16px; }
    
    .form-container { padding: 24px 20px; margin: 20px 10px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    
    .swipe-card-image { height: 300px; }
    .swipe-btn { width: 56px; height: 56px; font-size: 1.5rem; }
    
    .matches-grid { grid-template-columns: 1fr; }
    
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); padding: 10px 0; }
    .admin-sidebar a { display: inline-block; padding: 8px 14px; border-left: none; border-bottom: 2px solid transparent; }
    .admin-sidebar a:hover, .admin-sidebar a.active { border-left-color: transparent; border-bottom-color: var(--accent-pink); }
    .admin-content { padding: 16px; }
    .admin-stats { grid-template-columns: 1fr 1fr; }
    
    .profile-photos-grid { grid-template-columns: repeat(2, 1fr); }
    
    .chat-container { height: 60vh; margin: 10px; border-radius: var(--radius); }
    
    .match-notification { width: 90%; padding: 30px 20px; }
}

@media (max-width: 480px) {
    .admin-stats { grid-template-columns: 1fr; }
    .swipe-card-image { height: 250px; }
}

/* ======================= UTILITY ======================= */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }