/* ============================================
   SERİSAYFA - Ana Stil Dosyası
   Tasarım: Pembe (#E91E63) ana renk, beyaz kartlar, yuvarlak hatlar
   ============================================ */

/* CSS Reset & Variables */
:root {
    --primary: #E91E63;
    --primary-dark: #C2185B;
    --primary-darker: #AD1457;
    --primary-light: #F8BBD0;
    --primary-bg: #FCE4EC;
    
    --bg-page: #F5F7FA;
    --bg-card: #FFFFFF;
    --bg-input: #F9FAFB;
    
    --text-dark: #1A1A1A;
    --text-body: #374151;
    --text-light: #6B7280;
    --text-muted: #9CA3AF;
    
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    
    --gold: #FFD700;
    --gold-dark: #FFA500;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 999px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, textarea, select {
    font-family: inherit;
    font-size: 14px;
    color: var(--text-dark);
}

input:focus, textarea:focus, select:focus { outline: none; }

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

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.site-header {
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-light);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    line-height: 1;
}
.logo .lo { color: var(--primary); }
.logo .go { color: var(--text-dark); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    color: var(--text-body);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.nav-link .icon-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.nav-link.active {
    background: var(--bg-page);
    color: var(--primary);
}

.btn-post-ad {
    background: var(--primary);
    color: white !important;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
    transition: var(--transition);
}

.btn-post-ad:hover {
    background: var(--primary-dark);
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(233, 30, 99, 0.4);
}

.btn-post-ad i {
    font-size: 14px;
}

/* User dropdown in navbar */
.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-page);
    transition: var(--transition);
}

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

.user-menu-btn .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-menu-btn .name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 200;
}

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

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-body);
    font-size: 14px;
    font-weight: 500;
}

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

.user-dropdown a i {
    width: 18px;
    color: var(--text-light);
}

.user-dropdown hr { border: none; border-top: 1px solid var(--border-light); margin: 6px 0; }

/* ============================================
   HERO SECTION (Anasayfa)
   ============================================ */
.hero {
    position: relative;
    background-image: 
        linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.55)),
        url('https://images.unsplash.com/photo-1486312338219-ce68d2c6f44d?w=1600&q=80');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    margin: 24px 0;
    padding: 80px 40px;
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto 36px;
    opacity: 0.95;
    line-height: 1.6;
}

.search-box {
    background: white;
    border-radius: var(--radius-full);
    padding: 8px;
    display: flex;
    align-items: center;
    max-width: 760px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    gap: 4px;
}

.search-field {
    flex: 1;
    padding: 12px 20px;
    text-align: left;
    border-right: 1px solid var(--border);
}

.search-field:last-of-type { border-right: none; }

.search-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.search-field select {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
}

.search-btn {
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

/* ============================================
   CATEGORIES GRID (Anasayfa)
   ============================================ */
.categories-section {
    padding: 40px 0;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.cat-group {
    margin-bottom: 32px;
}

.cat-group-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    padding-left: 4px;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.cat-card {
    background: white;
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.cat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.cat-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.cat-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

/* ============================================
   AD CARDS (İlan Kartları)
   ============================================ */
.ads-section { padding: 40px 0; }

.ads-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ad-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 20px;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

.ad-card.premium {
    background: var(--primary);
    color: white;
    border: none;
}

.ad-card.premium .ad-username,
.ad-card.premium .ad-title,
.ad-card.premium .ad-description {
    color: white;
}

.ad-card.premium .ad-time { color: rgba(255,255,255,0.85); }

.premium-crown {
    position: absolute;
    top: -12px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.4);
    color: white;
    font-size: 18px;
}

.ad-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.ad-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
}

.ad-username {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.ad-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.3;
}

.ad-description {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 12px;
    min-height: 40px;
}

.ad-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
}

.ad-time {
    color: var(--text-muted);
    font-weight: 500;
}

.ad-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
}

.ad-card.premium .ad-price { color: white; }

.ad-favorite {
    position: absolute;
    bottom: 8px;
    left: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 12px;
}

.ad-favorite:hover, .ad-favorite.active {
    color: var(--primary);
    background: white;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--primary);
    color: white;
    padding: 40px 0 24px;
    margin-top: auto;
    text-align: center;
}

.footer-text {
    font-size: 13px;
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto 16px;
    opacity: 0.95;
}

.footer-copy {
    font-size: 13px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.2);
    margin-top: 16px;
}

/* ============================================
   AUTH PAGES (Login/Register)
   ============================================ */
.auth-page {
    min-height: calc(100vh - 80px);
    background-image:
        linear-gradient(rgba(255,255,255,0.6), rgba(255,255,255,0.6)),
        url('https://images.unsplash.com/photo-1486312338219-ce68d2c6f44d?w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 40px 24px;
}

.auth-container {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.auth-info {
    color: var(--text-dark);
}

.auth-info h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.auth-info p {
    font-size: 16px;
    margin-bottom: 28px;
    color: var(--text-body);
}

.btn-secondary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    padding: 18px 48px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(233, 30, 99, 0.3);
}

.btn-secondary-action:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
}

.auth-form-wrapper {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.auth-form-wrapper.wide {
    grid-column: 1 / -1;
    max-width: 720px;
    margin: 0 auto;
}

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

.form-input {
    width: 100%;
    padding: 18px 24px;
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    background: white;
    font-size: 15px;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.1);
}

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

.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
    padding: 18px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(233, 30, 99, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
}

.form-link {
    color: var(--primary);
    font-size: 13px;
    text-align: right;
    display: block;
    margin-top: 12px;
    font-weight: 500;
}

.form-divider {
    text-align: center;
    margin: 24px 0;
    color: var(--text-light);
    font-size: 13px;
    position: relative;
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 8px;
}

.social-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    font-size: 22px;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.social-btn.google { color: #DB4437; }
.social-btn.facebook { color: #1877F2; }
.social-btn.twitter { color: #1DA1F2; }

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-body);
}

.auth-footer a { font-weight: 600; }

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash {
    padding: 14px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.flash.success { background: #D1FAE5; color: #065F46; }
.flash.error { background: #FEE2E2; color: #991B1B; }
.flash.warning { background: #FEF3C7; color: #92400E; }
.flash.info { background: #DBEAFE; color: #1E40AF; }

/* ============================================
   DASHBOARD LAYOUT
   ============================================ */
.dashboard {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - 80px);
    background: var(--bg-page);
}

.sidebar {
    background: white;
    border-right: 1px solid var(--border-light);
    padding: 32px 16px;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-logo {
    padding: 0 12px;
    margin-bottom: 32px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    color: var(--text-body);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.sidebar-link:hover {
    background: var(--bg-page);
    color: var(--primary);
}

.sidebar-link.active {
    background: var(--primary);
    color: white;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-link .badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.sidebar-link.active .badge { background: white; color: var(--primary); }

.dashboard-main {
    padding: 32px 40px;
    overflow-x: hidden;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.dashboard-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.dashboard-subtitle {
    color: var(--text-light);
    font-size: 14px;
}

.dashboard-user {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.dashboard-user .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.dashboard-user .name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-full);
}

.stat-trend.up { background: #D1FAE5; color: var(--success); }
.stat-trend.down { background: #FEE2E2; color: var(--danger); }

/* Section Card */
.section-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border-light);
}

.section-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Active Ads List */
.active-ads-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.active-ad-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-page);
    border-radius: var(--radius);
    transition: var(--transition);
}

.active-ad-item:hover { background: var(--primary-bg); }

.active-ad-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.active-ad-info { flex: 1; }
.active-ad-title { font-weight: 600; color: var(--text-dark); margin-bottom: 2px; font-size: 14px; }
.active-ad-desc { font-size: 13px; color: var(--text-light); }

.active-ad-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.active-ad-badge.premium { background: var(--gold); color: var(--text-dark); }
.active-ad-badge.standard { background: var(--bg-page); color: var(--text-light); border: 1px solid var(--border); }

.active-ad-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

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

/* ============================================
   CREATE AD FORM
   ============================================ */
.form-section {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-input-flat {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    font-size: 14px;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-input-flat:focus {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

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

select.form-input-flat { cursor: pointer; }

/* Premium Plan Selector */
.premium-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--bg-page);
    border-radius: var(--radius);
    margin: 20px 0;
}

.premium-toggle label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
}

.checkbox {
    width: 22px;
    height: 22px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: white;
    cursor: pointer;
    appearance: none;
    position: relative;
    transition: var(--transition);
}

.checkbox:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox:checked::after {
    content: "✓";
    color: white;
    font-size: 14px;
    font-weight: 700;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.plan-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.plan-card:hover { border-color: var(--primary-light); }

.plan-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.plan-card.selected .plan-price { color: white; }
.plan-card.selected .plan-duration { color: rgba(255,255,255,0.9); }

.plan-duration {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 8px;
}

.plan-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.plan-price small { font-size: 14px; font-weight: 500; }

.plan-recommended {
    position: absolute;
    top: -10px;
    right: 16px;
    background: var(--gold);
    color: var(--text-dark);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.message-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-page);
    border-radius: var(--radius);
    margin-top: 16px;
}

.message-toggle label {
    flex: 1;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
}

.message-toggle small {
    display: block;
    color: var(--text-light);
    font-size: 12px;
    margin-top: 2px;
}

/* Switch */
.switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.switch-slider::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider { background: var(--primary); }
.switch input:checked + .switch-slider::before { transform: translateX(20px); }

/* ============================================
   PAYMENT PAGE
   ============================================ */
.payment-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.payment-amount {
    text-align: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 32px;
}

.payment-amount-label {
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.payment-amount-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
}

.payment-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.payment-success {
    text-align: center;
    padding: 60px 40px;
    background: white;
    border-radius: var(--radius-md);
    max-width: 600px;
    margin: 40px auto;
    box-shadow: var(--shadow-md);
}

.success-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.payment-success h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.payment-success p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* ============================================
   MESSAGES PAGE
   ============================================ */
.messages-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 0;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: calc(100vh - 200px);
    min-height: 600px;
    box-shadow: var(--shadow-sm);
}

.conversations-list {
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
}

.conversations-search {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
}

.conversations-search input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-page);
    border: none;
    border-radius: var(--radius-full);
    font-size: 13px;
}

.conversations-search input:focus { background: white; box-shadow: 0 0 0 2px var(--primary-light); }

.conversations-scroll { flex: 1; overflow-y: auto; }

.conversation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: var(--transition);
}

.conversation-item:hover { background: var(--bg-page); }

.conversation-item.active { background: var(--primary-bg); }

.conv-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.conv-content { flex: 1; min-width: 0; }

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

.conv-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conv-time {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 8px;
}

.conv-preview {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conv-unread {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Chat panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-page);
}

.chat-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-light);
    background: white;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-header .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.chat-header-info h3 {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 600;
}

.chat-status {
    font-size: 12px;
    color: var(--success);
    font-weight: 500;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-bubble {
    max-width: 70%;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.message-bubble.received {
    background: white;
    color: var(--text-dark);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.message-bubble.sent {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message-time {
    display: block;
    font-size: 11px;
    margin-top: 4px;
    opacity: 0.7;
}

.message-date-separator {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin: 8px 0;
    font-weight: 500;
}

.typing-indicator {
    align-self: flex-start;
    padding: 12px 18px;
    background: white;
    border-radius: var(--radius-md);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.chat-input-area {
    padding: 16px 24px;
    background: white;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-input {
    flex: 1;
    padding: 14px 20px;
    background: var(--bg-page);
    border: none;
    border-radius: var(--radius-full);
    font-size: 14px;
}

.chat-input:focus { background: white; box-shadow: 0 0 0 2px var(--primary-light); }

.btn-send {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-send:hover { background: var(--primary-dark); transform: scale(1.05); }

.empty-chat {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.empty-chat i { font-size: 64px; margin-bottom: 16px; opacity: 0.3; }

/* ============================================
   AD DETAIL PAGE
   ============================================ */
.ad-detail {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    padding: 32px 0;
}

.ad-detail-main {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.ad-detail-image {
    width: 100%;
    height: 400px;
    border-radius: var(--radius);
    object-fit: cover;
    margin-bottom: 24px;
    background: var(--bg-page);
}

.ad-detail-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.ad-detail-meta {
    display: flex;
    gap: 24px;
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.ad-detail-meta span { display: inline-flex; align-items: center; gap: 6px; }

.ad-detail-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 24px;
}

.ad-detail-description {
    color: var(--text-body);
    line-height: 1.7;
    font-size: 15px;
}

.ad-detail-sidebar {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.seller-card {
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
}

.seller-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 12px;
    object-fit: cover;
    border: 3px solid var(--primary-bg);
}

.seller-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.seller-joined {
    font-size: 12px;
    color: var(--text-light);
}

.btn-block {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.btn-block.primary { background: var(--primary); color: white; }
.btn-block.primary:hover { background: var(--primary-dark); }
.btn-block.outline { background: white; color: var(--text-dark); border: 1px solid var(--border); }
.btn-block.outline:hover { background: var(--bg-page); border-color: var(--primary); color: var(--primary); }
.btn-block.disabled { background: var(--bg-page); color: var(--text-muted); cursor: not-allowed; }

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin: 32px 0;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: white;
    color: var(--text-body);
    font-weight: 500;
    font-size: 14px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    padding: 0 12px;
}

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

.pagination .current { background: var(--primary); color: white; border-color: var(--primary); }

.pagination .disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-table {
    width: 100%;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.admin-table thead { background: var(--bg-page); }

.admin-table th {
    text-align: left;
    padding: 14px 16px;
    font-size: 12px;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-light);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-body);
    font-size: 14px;
}

.admin-table tbody tr:hover { background: var(--bg-page); }

.admin-table tbody tr:last-child td { border-bottom: none; }

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.approved { background: #D1FAE5; color: #065F46; }
.status-badge.pending { background: #FEF3C7; color: #92400E; }
.status-badge.rejected { background: #FEE2E2; color: #991B1B; }
.status-badge.expired { background: #E5E7EB; color: #4B5563; }

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-sm.btn-approve { background: var(--success); color: white; }
.btn-sm.btn-approve:hover { background: #059669; }
.btn-sm.btn-reject { background: var(--danger); color: white; }
.btn-sm.btn-reject:hover { background: #DC2626; }
.btn-sm.btn-view { background: var(--bg-page); color: var(--text-dark); border: 1px solid var(--border); }
.btn-sm.btn-view:hover { background: var(--primary-bg); color: var(--primary); }

/* ============================================
   AVATAR PLACEHOLDER (initials)
   ============================================ */
.avatar-initials {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-transform: uppercase;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .ads-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-grid { grid-template-columns: repeat(3, 1fr); }
    .auth-container { grid-template-columns: 1fr; gap: 32px; }
    .auth-info { text-align: center; }
    .ad-detail { grid-template-columns: 1fr; }
    .ad-detail-sidebar { position: static; }
}

@media (max-width: 768px) {
    .navbar { height: 64px; }
    .logo { font-size: 24px; }
    .nav-link span { display: none; }
    .btn-post-ad span { display: none; }
    .hero { padding: 48px 24px; margin: 16px 0; }
    .hero-title { font-size: 28px; }
    .search-box { flex-direction: column; padding: 16px; gap: 12px; }
    .search-field { width: 100%; border-right: none; border-bottom: 1px solid var(--border); padding: 8px 12px; }
    .search-field:last-of-type { border-bottom: none; }
    .search-btn { width: 100%; }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .ads-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .plan-grid { grid-template-columns: 1fr; }
    .dashboard { grid-template-columns: 1fr; }
    .sidebar { position: fixed; left: -260px; top: 64px; height: calc(100vh - 64px); z-index: 50; transition: var(--transition); }
    .sidebar.open { left: 0; }
    .dashboard-main { padding: 16px; }
    .messages-layout { grid-template-columns: 1fr; height: auto; }
    .conversations-list { display: none; }
    .messages-layout.show-list .conversations-list { display: flex; }
    .messages-layout.show-list .chat-panel { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }