/* === VEO3 Web — Design System === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #050510; --bg2: #0a0a1a; --bg3: #111125; --bg4: #181835;
  --card: rgba(16,16,36,0.85); --card-border: rgba(138,92,246,0.12);
  --glass: rgba(20,20,42,0.75); --glass-border: rgba(255,255,255,0.06);
  --text: #f0f0f5; --text2: #a0a0b8; --text3: #5a5a75;
  --accent: #8a5cf6; --accent2: #7c4dff; --accent-glow: rgba(138,92,246,0.2);
  --green: #34d399; --green-bg: rgba(52,211,153,0.1);
  --red: #ef4444; --red-bg: rgba(239,68,68,0.1);
  --yellow: #fbbf24; --yellow-bg: rgba(251,191,36,0.1);
  --blue: #60a5fa; --blue-bg: rgba(96,165,250,0.1);
  --pink: #ec4899;
  --font: 'Inter', -apple-system, sans-serif;
  --radius: 16px; --radius-sm: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Backgrounds === */
.bg-effects { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.12; animation: orbFloat 25s infinite ease-in-out; }
.orb-1 { width: 600px; height: 600px; background: #8a5cf6; top: -200px; left: -100px; }
.orb-2 { width: 500px; height: 500px; background: #ec4899; bottom: -200px; right: -100px; animation-delay: -8s; }
.orb-3 { width: 400px; height: 400px; background: #06b6d4; top: 50%; left: 60%; animation-delay: -16s; }
@keyframes orbFloat { 0%,100%{transform:translate(0,0)scale(1)} 33%{transform:translate(40px,-30px)scale(1.1)} 66%{transform:translate(-30px,20px)scale(.95)} }

/* === Navbar === */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 12px 24px; backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); background: rgba(5,5,16,0.7); border-bottom: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; }
.nav-logo-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg,var(--accent),var(--pink)); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-link { padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 500; color: var(--text2); transition: all .2s; border: none; background: none; cursor: pointer; font-family: var(--font); }
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); text-decoration: none; }
.nav-link.primary { background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #fff; font-weight: 600; }
.nav-link.primary:hover { box-shadow: 0 4px 20px var(--accent-glow); transform: translateY(-1px); }

/* === Container === */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* === Cards === */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(20px); }
.card-glass { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 28px; backdrop-filter: blur(40px); box-shadow: 0 20px 60px rgba(0,0,0,.4); }

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border: none; border-radius: 12px; font-size: 14px; font-weight: 600; font-family: var(--font); cursor: pointer; transition: all .25s; }
.btn-primary { background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #fff; box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(138,92,246,.35); }
.btn-success { background: linear-gradient(135deg,var(--green),#059669); color: #fff; box-shadow: 0 4px 20px rgba(52,211,153,.25); }
.btn-success:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(52,211,153,.35); }
.btn-danger { background: linear-gradient(135deg,var(--red),#dc2626); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--glass-border); color: var(--text2); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(138,92,246,.05); }
.btn-sm { padding: 8px 16px; font-size: 12px; border-radius: 8px; }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }

/* === Inputs === */
.input-group { margin-bottom: 18px; }
.input-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 6px; }
.input { width: 100%; padding: 12px 16px; background: var(--bg2); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); color: var(--text); font-size: 14px; font-family: var(--font); outline: none; transition: all .2s; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(138,92,246,.1); }
.input::placeholder { color: var(--text3); }

/* === Badges === */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.badge-trial { background: var(--yellow-bg); color: var(--yellow); border: 1px solid rgba(251,191,36,.2); }
.badge-pro { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(138,92,246,.2); }
.badge-lifetime { background: var(--green-bg); color: var(--green); border: 1px solid rgba(52,211,153,.2); }
.badge-expired { background: var(--red-bg); color: var(--red); border: 1px solid rgba(239,68,68,.2); }
.badge-active { background: var(--green-bg); color: var(--green); }
.badge-banned { background: var(--red-bg); color: var(--red); }
.badge-pending { background: var(--yellow-bg); color: var(--yellow); }
.badge-confirmed { background: var(--green-bg); color: var(--green); }

/* === Tables === */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 12px 16px; text-align: left; font-weight: 600; color: var(--text3); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; background: rgba(255,255,255,.02); border-bottom: 1px solid var(--glass-border); }
td { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.03); color: var(--text2); }
tr:hover td { background: rgba(138,92,246,.03); }

/* === Alerts === */
.alert { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; margin-bottom: 16px; }
.alert-success { background: var(--green-bg); border: 1px solid rgba(52,211,153,.2); color: var(--green); }
.alert-error { background: var(--red-bg); border: 1px solid rgba(239,68,68,.2); color: var(--red); }
.alert-warning { background: var(--yellow-bg); border: 1px solid rgba(251,191,36,.2); color: var(--yellow); }
.alert-info { background: var(--blue-bg); border: 1px solid rgba(96,165,250,.2); color: var(--blue); }

/* === Stats Cards === */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { padding: 20px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--card-border); }
.stat-card .label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.stat-card .value { font-size: 28px; font-weight: 800; background: linear-gradient(135deg,var(--text),var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card .sub { font-size: 11px; color: var(--text3); margin-top: 4px; }

/* === Pricing Cards === */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 960px; margin: 0 auto; }
.pricing-card { border-radius: 20px; padding: 32px 28px; background: var(--card); border: 1px solid var(--card-border); text-align: center; transition: all .3s; position: relative; }
.pricing-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,.3); }
.pricing-card.featured { border-color: var(--accent); box-shadow: 0 0 40px var(--accent-glow); }
.pricing-card.featured::before { content: 'PHỔ BIẾN'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: 4px 16px; border-radius: 12px; background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 1px; }
.pricing-card .plan-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pricing-card .plan-price { font-size: 36px; font-weight: 900; margin-bottom: 4px; }
.pricing-card .plan-price span { font-size: 14px; font-weight: 400; color: var(--text3); }
.pricing-card .plan-period { font-size: 13px; color: var(--text3); margin-bottom: 20px; }
.pricing-card .plan-features { list-style: none; text-align: left; margin-bottom: 24px; }
.pricing-card .plan-features li { padding: 6px 0; font-size: 13px; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.pricing-card .plan-features li::before { content: '✓'; color: var(--green); font-weight: 700; }

/* === Modal === */
.modal-overlay { display:none; position:fixed; inset:0; z-index:200; background:rgba(0,0,0,.6); backdrop-filter:blur(8px); align-items:center; justify-content:center; }
.modal-overlay.active { display:flex; }
.modal { background:var(--bg3); border:1px solid var(--card-border); border-radius:20px; padding:32px; max-width:500px; width:90%; max-height:85vh; overflow-y:auto; animation: modalIn .2s ease; }
@keyframes modalIn { from{opacity:0;transform:scale(.95) translateY(-10px)} to{opacity:1;transform:scale(1) translateY(0)} }
.modal h2 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }

/* === Auth Card === */
.auth-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-header .logo { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg,var(--accent),var(--pink)); display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 0 auto 14px; box-shadow: 0 8px 32px var(--accent-glow); }
.auth-header h1 { font-size: 22px; font-weight: 700; }
.auth-header p { font-size: 13px; color: var(--text3); }
.auth-footer { text-align: center; margin-top: 20px; font-size: 12px; color: var(--text3); }

/* === Dashboard === */
.dash-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.dash-user { display: flex; align-items: center; gap: 16px; }
.dash-avatar { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg,var(--accent),var(--pink)); display: flex; align-items: center; justify-content: center; font-size: 24px; }

/* === Tabs === */
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,.03); border-radius: 12px; padding: 4px; border: 1px solid var(--glass-border); margin-bottom: 24px; }
.tab { flex: 1; padding: 10px 16px; border: none; border-radius: 10px; background: transparent; color: var(--text3); font-size: 13px; font-weight: 600; cursor: pointer; transition: all .2s; font-family: var(--font); text-align: center; }
.tab:hover { color: var(--text2); }
.tab.active { background: linear-gradient(135deg,var(--accent),var(--accent2)); color: #fff; box-shadow: 0 4px 16px var(--accent-glow); }

/* === QR Payment === */
.qr-section { text-align: center; padding: 24px; border-radius: var(--radius); background: rgba(255,255,255,.02); border: 1px solid var(--glass-border); }
.qr-section img { border-radius: 12px; margin: 12px 0; max-width: 240px; }
.payment-code { display: inline-block; padding: 10px 24px; border-radius: 10px; background: var(--accent-glow); border: 2px dashed var(--accent); font-size: 20px; font-weight: 800; color: var(--accent); font-family: monospace; letter-spacing: 2px; margin: 12px 0; }
.payment-status { padding: 16px; border-radius: 10px; margin-top: 16px; }

/* === Spinner === */
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.2); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* === Hero === */
.hero { padding: 140px 0 80px; text-align: center; }
.hero h1 { font-size: 48px; font-weight: 900; line-height: 1.15; margin-bottom: 16px; background: linear-gradient(135deg,#f0f0f5,#a78bfa,#ec4899); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 18px; color: var(--text2); max-width: 560px; margin: 0 auto 32px; }
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* === Features === */
.features { padding: 60px 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature-card { padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--card-border); transition: all .3s; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.feature-icon { font-size: 32px; margin-bottom: 12px; }
.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--text2); }

/* === Section === */
section { padding: 60px 0; }
section h2 { font-size: 32px; font-weight: 800; text-align: center; margin-bottom: 12px; }
section .subtitle { text-align: center; color: var(--text2); font-size: 15px; margin-bottom: 40px; }

/* === Search === */
.search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.search-bar .input { flex: 1; }
.search-bar select { padding: 10px 14px; border-radius: 8px; background: var(--bg2); border: 1px solid var(--glass-border); color: var(--text); font-size: 13px; font-family: var(--font); }

/* === Page Padding (navbar offset) === */
.page { padding-top: 80px; min-height: 100vh; }

/* === Responsive === */
@media(max-width:768px) {
  .hero h1 { font-size: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .navbar { padding: 10px 16px; }
  .nav-links { gap: 2px; }
  .nav-link { padding: 6px 10px; font-size: 12px; }
}