:root {
  --primary: #6c63ff;
  --primary-dark: #5a52d5;
  --secondary: #ff6584;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --dark2: #1e293b;
  --dark3: #334155;
  --gray: #64748b;
  --light: #f1f5f9;
  --white: #ffffff;
  --text: #e2e8f0;
  --border: #334155;
  --card-bg: #1e293b;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.2s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Inter',sans-serif; background:var(--dark); color:var(--text); line-height:1.6; font-size:15px; }
a { color:var(--primary); text-decoration:none; transition:color var(--transition); }
a:hover { color:var(--primary-dark); }
img { max-width:100%; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }

/* Navbar */
.navbar { background:rgba(15,23,42,0.97); backdrop-filter:blur(10px); position:sticky; top:0; z-index:1000; border-bottom:1px solid var(--border); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:64px; }
.logo { font-size:1.6rem; font-weight:800; color:var(--white); }
.logo span { color:var(--primary); }
.nav-links { display:flex; align-items:center; gap:8px; list-style:none; }
.nav-links li a { padding:6px 14px; border-radius:8px; color:var(--text); font-size:14px; font-weight:500; transition:all var(--transition); }
.nav-links li a:hover { background:var(--dark3); color:var(--white); }
.btn-nav { background:var(--dark3) !important; }
.btn-primary { background:var(--primary) !important; color:#fff !important; }
.btn-primary:hover { background:var(--primary-dark) !important; }
.btn-outline { border:1px solid var(--border) !important; }
.nav-toggle { display:none; background:none; border:none; color:var(--text); font-size:1.3rem; cursor:pointer; }

/* Hero */
.hero { padding:100px 0 80px; text-align:center; background:radial-gradient(ellipse at top, #1a1060 0%, var(--dark) 70%); }
.hero h1 { font-size:clamp(2rem,5vw,3.8rem); font-weight:800; line-height:1.2; color:var(--white); margin-bottom:20px; }
.hero h1 span { background:linear-gradient(135deg,var(--primary),var(--secondary)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.1rem; color:var(--gray); max-width:600px; margin:0 auto 40px; }
.hero-btns { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 28px; border-radius:10px; font-size:15px; font-weight:600; cursor:pointer; transition:all var(--transition); border:none; }
.btn-lg { padding:16px 36px; font-size:16px; }
.btn-primary-solid { background:var(--primary); color:#fff; }
.btn-primary-solid:hover { background:var(--primary-dark); transform:translateY(-1px); box-shadow:0 8px 25px rgba(108,99,255,0.4); }
.btn-secondary-solid { background:transparent; color:var(--text); border:1.5px solid var(--border); }
.btn-secondary-solid:hover { background:var(--dark3); color:var(--white); }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { background:#059669; }
.btn-danger { background:var(--danger); color:#fff; }

/* Stats */
.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:20px; padding:60px 0; }
.stat-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; text-align:center; }
.stat-card .num { font-size:2.2rem; font-weight:800; color:var(--primary); }
.stat-card .label { color:var(--gray); font-size:14px; margin-top:4px; }

/* Features */
.section { padding:80px 0; }
.section-title { text-align:center; margin-bottom:50px; }
.section-title h2 { font-size:clamp(1.6rem,3vw,2.4rem); font-weight:700; color:var(--white); margin-bottom:12px; }
.section-title p { color:var(--gray); max-width:540px; margin:0 auto; }
.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px; }
.feature-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:32px; transition:transform var(--transition), border-color var(--transition); }
.feature-card:hover { transform:translateY(-4px); border-color:var(--primary); }
.feature-icon { width:52px; height:52px; background:rgba(108,99,255,0.15); border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; color:var(--primary); margin-bottom:18px; }
.feature-card h3 { font-size:1.1rem; font-weight:600; color:var(--white); margin-bottom:10px; }
.feature-card p { color:var(--gray); font-size:14px; }

/* How it works */
.steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:30px; }
.step { text-align:center; padding:30px 20px; }
.step-num { width:56px; height:56px; background:linear-gradient(135deg,var(--primary),var(--secondary)); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.3rem; font-weight:700; color:#fff; margin:0 auto 16px; }
.step h3 { color:var(--white); font-size:1rem; font-weight:600; margin-bottom:8px; }
.step p { color:var(--gray); font-size:14px; }

/* Cards */
.card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:28px; margin-bottom:20px; }
.card-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; padding-bottom:16px; border-bottom:1px solid var(--border); }
.card-title { font-size:1.1rem; font-weight:600; color:var(--white); }

/* Dashboard */
.dash-layout { display:grid; grid-template-columns:260px 1fr; min-height:calc(100vh - 64px); }
.sidebar { background:var(--dark2); border-right:1px solid var(--border); padding:24px 0; position:sticky; top:64px; height:calc(100vh - 64px); overflow-y:auto; }
.sidebar-logo { padding:0 20px 20px; border-bottom:1px solid var(--border); margin-bottom:16px; }
.sidebar-logo .logo { font-size:1.3rem; }
.sidebar-nav { list-style:none; }
.sidebar-nav li a { display:flex; align-items:center; gap:12px; padding:12px 20px; color:var(--gray); font-size:14px; font-weight:500; transition:all var(--transition); }
.sidebar-nav li a:hover, .sidebar-nav li a.active { background:rgba(108,99,255,0.12); color:var(--primary); border-right:3px solid var(--primary); }
.sidebar-nav li a i { width:18px; text-align:center; }
.dash-content { padding:32px; background:var(--dark); }
.dash-header { margin-bottom:28px; }
.dash-header h1 { font-size:1.5rem; font-weight:700; color:var(--white); }
.dash-header p { color:var(--gray); font-size:14px; margin-top:4px; }

/* Stats row */
.stats-row { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:16px; margin-bottom:28px; }
.stat-box { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.stat-box .s-label { font-size:12px; color:var(--gray); text-transform:uppercase; letter-spacing:0.5px; }
.stat-box .s-val { font-size:1.7rem; font-weight:700; color:var(--white); margin-top:4px; }
.stat-box .s-icon { float:right; font-size:1.5rem; opacity:0.6; }
.stat-box.purple { border-color:rgba(108,99,255,0.4); }
.stat-box.green { border-color:rgba(16,185,129,0.4); }
.stat-box.yellow { border-color:rgba(245,158,11,0.4); }
.stat-box.red { border-color:rgba(239,68,68,0.4); }

/* Tables */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th { background:var(--dark3); color:var(--gray); font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; padding:12px 16px; text-align:left; white-space:nowrap; }
td { padding:13px 16px; border-bottom:1px solid var(--border); color:var(--text); vertical-align:middle; }
tr:last-child td { border-bottom:none; }
tr:hover td { background:rgba(255,255,255,0.02); }

/* Badges */
.badge { display:inline-flex; align-items:center; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; text-transform:uppercase; }
.badge-success { background:rgba(16,185,129,0.15); color:var(--success); }
.badge-warning { background:rgba(245,158,11,0.15); color:var(--warning); }
.badge-danger { background:rgba(239,68,68,0.15); color:var(--danger); }
.badge-info { background:rgba(108,99,255,0.15); color:var(--primary); }
.badge-secondary { background:rgba(100,116,139,0.15); color:var(--gray); }

/* Forms */
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:13px; font-weight:500; color:var(--text); margin-bottom:6px; }
.form-control { width:100%; background:var(--dark3); border:1.5px solid var(--border); color:var(--white); padding:11px 14px; border-radius:8px; font-size:14px; font-family:inherit; transition:border-color var(--transition); }
.form-control:focus { outline:none; border-color:var(--primary); }
.form-control::placeholder { color:var(--gray); }
textarea.form-control { min-height:100px; resize:vertical; }
select.form-control { cursor:pointer; }
.input-group { display:flex; gap:8px; }
.input-group .form-control { flex:1; }
.form-hint { font-size:12px; color:var(--gray); margin-top:4px; }

/* Auth pages */
.auth-page { min-height:calc(100vh - 64px); display:flex; align-items:center; justify-content:center; padding:40px 20px; background:radial-gradient(ellipse at top, #1a1060 0%, var(--dark) 70%); }
.auth-box { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:40px; width:100%; max-width:440px; }
.auth-box h2 { font-size:1.5rem; font-weight:700; color:var(--white); margin-bottom:8px; }
.auth-box p { color:var(--gray); font-size:14px; margin-bottom:28px; }
.auth-switch { text-align:center; margin-top:20px; font-size:14px; color:var(--gray); }
.role-tabs { display:flex; gap:8px; margin-bottom:24px; }
.role-tab { flex:1; text-align:center; padding:10px; border-radius:8px; background:var(--dark3); color:var(--gray); font-size:14px; font-weight:500; cursor:pointer; border:2px solid transparent; transition:all var(--transition); }
.role-tab.active { border-color:var(--primary); color:var(--primary); background:rgba(108,99,255,0.1); }

/* Alerts */
.alert { padding:12px 16px; border-radius:8px; margin-bottom:16px; font-size:14px; display:flex; align-items:center; gap:8px; }
.alert-success { background:rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.3); color:var(--success); }
.alert-error { background:rgba(239,68,68,0.1); border:1px solid rgba(239,68,68,0.3); color:var(--danger); }
.alert-info { background:rgba(108,99,255,0.1); border:1px solid rgba(108,99,255,0.3); color:var(--primary); }
.alert-warning { background:rgba(245,158,11,0.1); border:1px solid rgba(245,158,11,0.3); color:var(--warning); }

/* Ad badge */
.ad-badge { position:absolute; bottom:4px; left:4px; background:rgba(0,0,0,0.6); color:#fff; font-size:9px; padding:2px 5px; border-radius:3px; display:flex; align-items:center; gap:3px; }
.ad-badge span { font-size:8px; border:1px solid rgba(255,255,255,0.5); padding:0 2px; border-radius:2px; }

/* Pagination */
.pagination { display:flex; gap:6px; align-items:center; margin-top:20px; flex-wrap:wrap; }
.pagination a, .pagination span { display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:8px; font-size:14px; border:1px solid var(--border); color:var(--gray); transition:all var(--transition); }
.pagination a:hover { background:var(--dark3); color:var(--white); }
.pagination .current { background:var(--primary); color:#fff; border-color:var(--primary); }

/* Code box */
.code-box { background:var(--dark); border:1px solid var(--border); border-radius:8px; padding:16px; font-family:monospace; font-size:13px; color:#7dd3fc; overflow-x:auto; word-break:break-all; }

/* Modal */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.7); z-index:2000; align-items:center; justify-content:center; }
.modal-overlay.show { display:flex; }
.modal { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:32px; max-width:480px; width:90%; max-height:90vh; overflow-y:auto; }
.modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.modal-title { font-size:1.1rem; font-weight:600; color:var(--white); }
.modal-close { background:none; border:none; color:var(--gray); font-size:1.3rem; cursor:pointer; }

/* Interstitial */
.interstitial-overlay { position:fixed; inset:0; background:#0f172a; z-index:9999; display:flex; align-items:center; justify-content:center; }
.interstitial-box { max-width:640px; width:90%; text-align:center; }
.interstitial-timer { font-size:3rem; font-weight:800; color:var(--primary); margin-bottom:12px; }
.interstitial-skip { margin-top:20px; }

/* Footer */
.footer { background:var(--dark2); border-top:1px solid var(--border); padding:60px 0 30px; margin-top:80px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer h4 { color:var(--white); font-size:14px; font-weight:600; margin-bottom:16px; text-transform:uppercase; letter-spacing:0.5px; }
.footer ul { list-style:none; }
.footer ul li { margin-bottom:8px; }
.footer ul li a { color:var(--gray); font-size:14px; transition:color var(--transition); }
.footer ul li a:hover { color:var(--white); }
.footer p { color:var(--gray); font-size:14px; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--border); flex-wrap:wrap; gap:12px; }
.footer-links { display:flex; gap:20px; }
.footer-links a { color:var(--gray); font-size:13px; }
.footer-links a:hover { color:var(--white); }

/* CTA section */
.cta { background:linear-gradient(135deg,rgba(108,99,255,0.2),rgba(255,101,132,0.15)); border:1px solid var(--border); border-radius:20px; padding:70px 40px; text-align:center; margin:60px 0; }
.cta h2 { font-size:clamp(1.5rem,3vw,2.2rem); font-weight:700; color:var(--white); margin-bottom:12px; }
.cta p { color:var(--gray); margin-bottom:30px; }

/* Responsive */
@media(max-width:900px) {
  .dash-layout { grid-template-columns:1fr; }
  .sidebar { display:none; position:fixed; z-index:500; width:260px; height:100vh; top:0; left:0; display:none; }
  .sidebar.open { display:block; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media(max-width:640px) {
  .nav-toggle { display:flex; }
  .nav-links { display:none; flex-direction:column; position:absolute; top:64px; left:0; right:0; background:var(--dark2); padding:16px; border-bottom:1px solid var(--border); }
  .nav-links.open { display:flex; }
  .hero { padding:60px 0 50px; }
  .footer-grid { grid-template-columns:1fr; }
  .dash-content { padding:20px; }
  .auth-box { padding:28px 20px; }
}

/* Scrollbar */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--dark2); }
::-webkit-scrollbar-thumb { background:var(--dark3); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--gray); }