/* =====================================================
   PTC Premium - Heavy Modern Design
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.35);
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --bg: #0b0f1a;
    --bg-secondary: #111827;
    --card: rgba(17, 24, 39, 0.85);
    --card-solid: #111827;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.12);
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b, #ef4444);
    --radius: 16px;
    --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse 80% 50% at 20% -20%, rgba(99, 102, 241, 0.18), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(139, 92, 246, 0.12), transparent);
    background-attachment: fixed;
}

/* ---------- Navbar ---------- */
.navbar {
    background: rgba(11, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    gap: 16px;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 22px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--text);
    background: var(--glass);
}

.btn-solid, .btn-outline {
    padding: 8px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-solid {
    background: var(--gradient);
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-solid:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text) !important;
    background: transparent;
}

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

.balance-pill {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--success);
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    border: 1px solid rgba(16, 185, 129, 0.25);
    white-space: nowrap;
}

.lang-form select {
    background: var(--card-solid);
    color: var(--text);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 13px;
    cursor: pointer;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

/* ---------- Container ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 60px;
    min-height: calc(100vh - 140px);
}

/* ---------- Alerts ---------- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

/* ---------- Cards ---------- */
.card {
    background: var(--card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.card h2, .card h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.card h2 { font-size: 24px; }
.card h3 { font-size: 18px; color: var(--text); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input::placeholder { color: #64748b; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gradient);
    color: #fff;
    border: none;
    padding: 12px 26px;
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

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

.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.btn-success { background: linear-gradient(135deg, #10b981, #059669); box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3); }
.btn-accent { background: var(--gradient-gold); box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3); }
.btn-outline-primary {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary-light);
    box-shadow: none;
}
.btn-outline-primary:hover {
    background: rgba(99, 102, 241, 0.1);
}

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Stats Grid ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
}

.stat-card .value {
    font-family: 'Outfit', sans-serif;
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-card .label {
    color: var(--muted);
    font-size: 13px;
    margin-top: 6px;
    font-weight: 500;
}

/* ---------- Plans Grid ---------- */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 28px;
}

.plan-card {
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(99, 102, 241, 0.4);
}

.plan-card.featured {
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.12);
}

.plan-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--gradient-gold);
    color: #000;
    font-size: 10px;
    font-weight: 800;
    padding: 4px 40px;
    transform: rotate(45deg);
    letter-spacing: 0.5px;
}

.plan-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.plan-card .plan-name {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
}

.plan-card .plan-price {
    font-family: 'Outfit', sans-serif;
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    margin: 12px 0 4px;
}

.plan-card .plan-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--muted);
}

.plan-card .plan-period {
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 20px;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin: 20px 0 28px;
    padding: 0;
}

.plan-features li {
    padding: 9px 0;
    font-size: 14px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.plan-features li:last-child { border-bottom: none; }

/* ---------- Ads Grid ---------- */
.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.ad-card {
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    transition: all 0.25s;
}

.ad-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.ad-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.ad-card .reward {
    font-family: 'Outfit', sans-serif;
    color: var(--success);
    font-weight: 800;
    font-size: 22px;
    margin: 10px 0;
}

/* ---------- Tables ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
}

th, td {
    padding: 13px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 13.5px;
}

th {
    background: rgba(0, 0, 0, 0.25);
    font-weight: 600;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* ---------- Badges ---------- */
.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-active, .badge-approved { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-rejected, .badge-banned, .badge-expired { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.badge-inactive { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

/* ---------- Auth Box ---------- */
.auth-box {
    max-width: 440px;
    margin: 40px auto;
}

.auth-box h2 {
    text-align: center;
    font-family: 'Outfit', sans-serif;
    font-size: 28px;
    margin-bottom: 28px;
}

/* ---------- Timer ---------- */
.timer-box {
    font-family: 'Outfit', sans-serif;
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 24px 0;
}

/* ---------- Page Headers ---------- */
.page-header {
    margin-bottom: 28px;
}

.page-header h1, .page-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.page-header p {
    color: var(--muted);
    margin-top: 6px;
    font-size: 15px;
}

/* ---------- Locked / No Plan State ---------- */
.locked-state {
    text-align: center;
    padding: 60px 30px;
}

.locked-state .lock-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.locked-state h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    margin-bottom: 12px;
}

.locked-state p {
    color: var(--muted);
    max-width: 420px;
    margin: 0 auto 28px;
    font-size: 15px;
}

/* ---------- Referral Levels ---------- */
.ref-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.ref-level-card {
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.ref-level-card .level-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ref-level-card .level-pct {
    font-family: 'Outfit', sans-serif;
    font-size: 28px;
    font-weight: 800;
    margin: 8px 0 4px;
}

.ref-level-card .level-count {
    color: var(--muted);
    font-size: 13px;
}

/* ---------- Sidebar Layout (Admin) ---------- */
.sidebar-layout {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.sidebar {
    width: 240px;
    background: var(--card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 18px;
    flex-shrink: 0;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    color: var(--muted);
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 3px;
    transition: all 0.2s;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

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

/* ---------- Footer ---------- */
.site-footer {
    text-align: center;
    padding: 28px 20px;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--glass-border);
    margin-top: 40px;
}

/* ---------- Progress Bar ---------- */
.progress-bar {
    height: 8px;
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar .fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 10px;
    transition: width 0.4s ease;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
}

.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .ref-levels { grid-template-columns: 1fr; }
    .plans-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 0;
        gap: 2px;
    }

    .nav-links.open { display: flex; }

    .nav-container { flex-wrap: wrap; }

    .nav-links a, .nav-links .btn-solid, .nav-links .btn-outline {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 14px;
    }

    .balance-pill { text-align: center; }

    .sidebar-layout { flex-direction: column; }
    .sidebar { width: 100%; }

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-card .value { font-size: 22px; }

    .container { padding: 20px 14px 40px; }

    .card { padding: 20px; }

    .plan-card .plan-price { font-size: 36px; }

    th, td { padding: 10px 8px; font-size: 12.5px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .logo { font-size: 18px; }
    .page-header h1, .page-header h2 { font-size: 22px; }
}