*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --primary: #7c5cfc;
    --primary-dim: rgba(124,92,252,0.15);
    --primary-glow: rgba(124,92,252,0.3);
    --bg: #0a0a0f;
    --sidebar-bg: #0d0d14;
    --card: #13131e;
    --card-hover: #17172a;
    --border: rgba(255,255,255,0.06);
    --border-strong: rgba(255,255,255,0.12);
    --text: #efefef;
    --text-dim: rgba(255,255,255,0.48);
    --text-muted: rgba(255,255,255,0.22);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --sidebar-w: 230px;
}



body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    background: #0c0a14;
}






.page-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: 56px; display: flex; align-items: center; padding: 0 2rem; background: #0d0b15; border-bottom: 1px solid var(--border); }
.page-nav .logo { margin-right: auto; }
.nav-links { display: flex; gap: 0.25rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-dim); padding: 0.4rem 0.85rem; border-radius: var(--radius-sm); font-size: 0.875rem; font-weight: 500; transition: all 0.15s; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links .btn-primary { color: #fff; background: var(--primary); }
.nav-links .btn-primary:hover { background: #6a4de6; }
.logo { font-size: 1.2rem; font-weight: 700; text-decoration: none; color: var(--text); letter-spacing: -0.03em; }
.logo span { color: var(--primary); }
.hero-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 5rem 1.5rem 3rem; position: relative; z-index: 1; }
.hero-inner { text-align: center; max-width: 640px; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--primary-dim); border: 1px solid rgba(124,92,252,0.3); color: #a78fff; font-size: 0.75rem; font-weight: 600; padding: 0.3rem 0.9rem; border-radius: 20px; margin-bottom: 2rem; letter-spacing: 0.04em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 1.25rem; background: linear-gradient(160deg, #fff 50%, rgba(255,255,255,0.4)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 2.5rem; line-height: 1.7; }
.hero-cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.section { max-width: 1100px; margin: 0 auto; padding: 5rem 1.5rem; position: relative; z-index: 1; }
.section-title { text-align: center; font-size: 1.7rem; font-weight: 700; margin-bottom: 3rem; letter-spacing: -0.03em; }
.section-divider { border: none; border-top: 1px solid var(--border); max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.feature-card { background: var(--card); padding: 2rem 1.5rem; transition: background 0.2s; }
.feature-card:hover { background: var(--card-hover); }
.feature-icon { font-size: 1.5rem; margin-bottom: 0.75rem; display: block; }
.feature-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; }
.feature-card p { font-size: 0.825rem; color: var(--text-dim); line-height: 1.55; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.pricing-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; position: relative; transition: all 0.2s; }
.pricing-card:hover { border-color: var(--border-strong); background: var(--card-hover); transform: translateY(-2px); }
.pricing-card.featured { border-color: rgba(124,92,252,0.4); background: linear-gradient(160deg, rgba(124,92,252,0.07), var(--card)); }
.pricing-card.featured:hover { border-color: var(--primary); }
.pricing-card .badge { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 0.15rem 0.85rem; border-radius: 20px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em; white-space: nowrap; }
.plan-name { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.75rem; }
.plan-price { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin-bottom: 0.2rem; }
.plan-period { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.plan-features { list-style: none; margin-bottom: 1.5rem; }
.plan-features li { padding: 0.35rem 0; font-size: 0.85rem; color: var(--text-dim); display: flex; align-items: center; gap: 0.6rem; }
.plan-features li::before { content: '—'; color: var(--primary); font-weight: 700; flex-shrink: 0; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; background: var(--primary); color: #fff; padding: 0.7rem 1.5rem; border-radius: var(--radius-sm); text-decoration: none; font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.btn-primary:hover { background: #6a4de6; box-shadow: 0 0 24px var(--primary-glow); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--text-dim); padding: 0.7rem 1.5rem; border-radius: var(--radius-sm); text-decoration: none; font-weight: 500; font-size: 0.9rem; border: 1px solid var(--border); cursor: pointer; transition: all 0.15s; font-family: inherit; }
.btn-outline:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255,255,255,0.04); }
.btn-lg { padding: 0.875rem 2rem; font-size: 0.95rem; }
.btn-full { width: 100%; }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.78rem; border-radius: 6px; }
.btn-success { background: var(--success); color: #000; border: none; }
.btn-success:hover { background: #16a34a; }
.btn-danger { color: var(--danger); border-color: transparent; background: transparent; }
.btn-danger:hover { border-color: var(--danger); background: rgba(239,68,68,0.08); }
.auth-bg { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; position: relative; z-index: 1; }
.auth-grid-bg { position: fixed; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(124,92,252,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(124,92,252,0.04) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%); z-index: 0; }
.auth-card { position: relative; z-index: 1; background: #0d0b15; border: 1px solid var(--border-strong); border-radius: 16px; padding: 2.5rem; width: 100%; max-width: 400px; }
.auth-card-logo { text-align: center; margin-bottom: 2rem; }
.auth-card-logo .logo { font-size: 1.4rem; }
.auth-card h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.4rem; letter-spacing: -0.02em; }
.auth-card-sub { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 1.75rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; color: var(--text-dim); font-size: 0.8rem; font-weight: 500; }
.form-group input { width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: rgba(255,255,255,0.04); color: var(--text); font-size: 0.9rem; outline: none; transition: all 0.15s; font-family: inherit; }
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(124,92,252,0.18); }
.form-group input::placeholder { color: var(--text-muted); }
.forgot-link { text-align: right; margin-top: -0.5rem; margin-bottom: 1.25rem; }
.forgot-link a { color: var(--text-muted); font-size: 0.78rem; text-decoration: none; transition: color 0.15s; }
.forgot-link a:hover { color: var(--primary); }
.error-msg { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); color: var(--danger); padding: 0.65rem 0.9rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: 0.82rem; text-align: center; }
.success-msg { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2); color: var(--success); padding: 0.65rem 0.9rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: 0.82rem; text-align: center; }
.auth-link { text-align: center; margin-top: 1.25rem; color: var(--text-muted); font-size: 0.85rem; }
.auth-link a { color: var(--primary); text-decoration: none; font-weight: 500; }
.auth-link a:hover { text-decoration: underline; }
.app { display: flex; min-height: 100vh; position: relative; z-index: 1; }
.sidebar { width: var(--sidebar-w); flex-shrink: 0; background: #0d0b15; border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 40; padding: 1.5rem 0; }
.sidebar-logo { padding: 0 1.25rem 1.5rem; border-bottom: 1px solid var(--border); margin-bottom: 0.5rem; }
.sidebar-nav { flex: 1; padding: 0.5rem 0.75rem; display: flex; flex-direction: column; gap: 0.15rem; }
.sidebar-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.875rem; border-radius: var(--radius-sm); text-decoration: none; color: var(--text-dim); font-size: 0.875rem; font-weight: 500; transition: all 0.15s; cursor: pointer; border: none; background: transparent; font-family: inherit; width: 100%; text-align: left; }
.sidebar-item:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.sidebar-item.active { color: var(--text); background: var(--primary-dim); }
.sidebar-item.active .sidebar-icon { color: var(--primary); }
.sidebar-icon { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }
.sidebar-item.active .sidebar-icon { opacity: 1; }
.sidebar-footer { padding: 0.75rem; border-top: 1px solid var(--border); margin-top: 0.5rem; }
.sidebar-logout { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.875rem; border-radius: var(--radius-sm); text-decoration: none; color: var(--text-muted); font-size: 0.875rem; font-weight: 500; transition: all 0.15s; }
.sidebar-logout:hover { color: var(--danger); background: rgba(239,68,68,0.08); }
.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 2.5rem; min-width: 0; }
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.2rem; }
.page-header p { color: var(--text-muted); font-size: 0.875rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.card-title { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.stat-val { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 0.3rem; letter-spacing: -0.04em; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }
.sub-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.25rem; }
.sub-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.sub-card-name { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.sub-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 1.25rem; }
.sub-stat { background: var(--bg); padding: 0.875rem 1rem; }
.sub-stat-label { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 0.25rem; text-transform: uppercase; letter-spacing: 0.06em; }
.sub-stat-val { font-size: 0.925rem; font-weight: 600; color: var(--text); }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot-green { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-red { background: var(--danger); }
.dot-yellow { background: var(--warning); }
.key-box { display: flex; align-items: center; gap: 0.75rem; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.75rem 1rem; margin-bottom: 1rem; }
.key-val { flex: 1; font-size: 0.82rem; color: var(--text-dim); font-family: monospace; word-break: break-all; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th { padding: 0.75rem 1rem; text-align: left; color: var(--text-muted); font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; border-bottom: 1px solid var(--border); }
td { padding: 0.875rem 1rem; border-bottom: 1px solid var(--border); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.015); }
.empty { color: var(--text-muted); text-align: center; padding: 3rem 1rem; font-size: 0.875rem; }
.badge-active { color: var(--success); font-weight: 500; font-size: 0.82rem; }
.badge-inactive { color: var(--danger); font-weight: 500; font-size: 0.82rem; }
.badge-pending { color: var(--warning); font-weight: 500; font-size: 0.82rem; }
.badge-pill { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.72rem; font-weight: 600; }
.badge-pill.green { background: rgba(34,197,94,0.12); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.badge-pill.red { background: rgba(239,68,68,0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.badge-pill.yellow { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-pill.purple { background: var(--primary-dim); color: #a78fff; border: 1px solid rgba(124,92,252,0.25); }
.profile-row { display: flex; justify-content: space-between; align-items: center; padding: 0.875rem 0; border-bottom: 1px solid var(--border); }
.profile-row:last-child { border-bottom: none; }
.profile-row-label { font-size: 0.82rem; color: var(--text-muted); }
.profile-row-val { font-size: 0.875rem; color: var(--text); font-weight: 500; }
.payment-wrap { max-width: 480px; }
.pay-amount { font-size: 3rem; font-weight: 800; letter-spacing: -0.04em; margin: 0.75rem 0 0.25rem; }
.pay-plan { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 2rem; }
.pay-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem; }
.pay-card-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 0.75rem; }
.pay-card-num { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.04em; margin-bottom: 0.25rem; }
.pay-card-bank { font-size: 0.8rem; color: var(--text-muted); }
.pay-note { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 0.75rem; }
.pay-success { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2); border-radius: var(--radius-sm); padding: 1.25rem; margin: 1rem 0; }
.pay-success p { color: var(--success); font-weight: 500; margin-bottom: 0.3rem; }
.pay-success p:last-child { color: var(--text-dim); font-weight: 400; font-size: 0.82rem; margin: 0; }
.admin-nav-tabs { display: flex; gap: 0.2rem; margin-bottom: 2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.25rem; }
.admin-tab { padding: 0.5rem 1rem; border: none; background: transparent; color: var(--text-dim); cursor: pointer; font-size: 0.85rem; font-weight: 500; border-radius: 6px; transition: all 0.15s; font-family: inherit; text-decoration: none; }
.admin-tab:hover { color: var(--text); }
.admin-tab.active { background: var(--primary); color: #fff; }
footer { text-align: center; padding: 1.5rem; color: var(--text-muted); border-top: 1px solid var(--border); font-size: 0.8rem; position: relative; z-index: 1; }
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main-content { margin-left: 0; padding: 1.25rem; }
    .hero h1 { font-size: 2.2rem; }
    .pricing-grid, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .sub-stats { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; align-items: center; }
    .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
        
    .auth-card { background: #13131e; }
    .auth-grid-bg { display: none; }
    .page-nav, .sidebar { background: #0d0d14; }
    .form-group input { font-size: 16px; }
}