:root {
  color-scheme: dark;
  --bg: #080c12;
  --surface: #101720;
  --surface-2: #151f2b;
  --line: #273544;
  --text: #f3f7fa;
  --muted: #91a1b2;
  --accent: #62e6b3;
  --accent-ink: #05251a;
  --warning: #f6c86b;
  --danger: #ff8b8b;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background: radial-gradient(circle at 20% -10%, #17332e 0, transparent 34rem), var(--bg); }
a { color: inherit; }
button, input, select { font: inherit; }
button, .button { min-height: 44px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 20; padding: .7rem 1rem; color: var(--accent-ink); background: var(--accent); border-radius: 8px; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 72px; padding: 0 max(24px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid rgba(255,255,255,.07); background: rgba(8,12,18,.86); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 780; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; color: var(--accent-ink); background: var(--accent); border-radius: 10px; }
nav { display: flex; align-items: center; gap: .35rem; }
nav a, .nav-button { padding: .65rem .8rem; color: var(--muted); background: none; border: 0; border-radius: 9px; text-decoration: none; cursor: pointer; }
nav a:hover, .nav-button:hover { color: var(--text); background: var(--surface-2); }
.page-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 64px 0 90px; }
.site-footer { padding: 28px 24px; color: var(--muted); border-top: 1px solid var(--line); text-align: center; font-size: .85rem; }

h1, h2, p { margin-top: 0; }
h1 { max-width: 800px; margin-bottom: .8rem; font-size: clamp(2rem, 5vw, 3.65rem); line-height: 1.02; letter-spacing: -.05em; }
h2 { margin-bottom: .35rem; font-size: 1.25rem; letter-spacing: -.025em; }
.eyebrow { margin-bottom: .55rem; color: var(--accent); font-size: .74rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.muted, small { color: var(--muted); }
.hero-row { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 40px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; padding: .75rem 1.05rem; color: var(--text); background: var(--surface-2); border: 1px solid var(--line); border-radius: 11px; font-weight: 750; text-decoration: none; cursor: pointer; }
.button:hover { border-color: #496174; transform: translateY(-1px); }
.button-primary { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.card { padding: 26px; background: linear-gradient(155deg, rgba(22,31,42,.96), rgba(13,20,28,.96)); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 18px 70px rgba(0,0,0,.16); }
.narrow { max-width: 620px; margin: 6vh auto; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { display: grid; gap: .25rem; min-height: 150px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.stat-card span { color: var(--muted); }
.stat-card strong { font-size: 2.5rem; line-height: 1; }
.stat-card small { align-self: end; }
.stat-accent { border-color: rgba(98,230,179,.36); background: linear-gradient(145deg, rgba(98,230,179,.13), var(--surface)); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 20px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.section-heading a { color: var(--accent); font-size: .88rem; font-weight: 700; }
.item-list { display: grid; }
.list-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 17px 2px; border-bottom: 1px solid rgba(255,255,255,.06); text-decoration: none; }
.list-item:last-child { border-bottom: 0; }
.list-item:hover strong { color: var(--accent); }
.list-item span:first-child { display: grid; gap: .25rem; min-width: 0; }
.list-item small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status { padding: .4rem .6rem; color: var(--muted); background: #1a2531; border-radius: 99px; font-size: .74rem; white-space: nowrap; }
.profile-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.profile-actions form { display: contents; }
@media (max-width: 720px) { .profile-actions { justify-content: flex-start; } }
.status-winner, .status-waiting_mobile { color: var(--accent); background: rgba(98,230,179,.1); }
.status-cleanup_failed { color: var(--danger); background: rgba(255,139,139,.1); }
.status-miss { color: var(--muted); background: #1a2531; }
.status-rate { color: #ffd166; background: rgba(255,209,102,.1); }

.checks-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; align-items: start; }
.checks-grid .card { margin-bottom: 0; }
.checks-grid .table-wrap { max-height: 480px; overflow-y: auto; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.checks-grid table { width: 100%; font-size: .8rem; border-collapse: collapse; }
.checks-grid th, .checks-grid td { padding: 6px 8px; white-space: nowrap; }
.checks-grid td:nth-child(6), .checks-grid td:last-child { white-space: normal; word-break: break-word; max-width: 220px; }
.checks-grid thead th { position: sticky; top: 0; background: var(--surface); z-index: 1; }
@media (max-width: 1100px) { .checks-grid { grid-template-columns: 1fr; } }
.dot-ready { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 5px rgba(98,230,179,.1); }
.empty-state { padding: 36px 4px 14px; color: var(--muted); text-align: center; }

.auth-layout { display: grid; grid-template-columns: 1fr minmax(340px, 440px); align-items: center; gap: clamp(40px, 8vw, 110px); min-height: calc(100vh - 250px); }
.auth-intro > p:not(.eyebrow) { max-width: 620px; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.feature-list { display: grid; gap: .8rem; padding: 0; list-style: none; color: #c7d2dc; }
.feature-list li::before { content: "✓"; margin-right: .65rem; color: var(--accent); font-weight: 900; }
.auth-card { display: grid; gap: 13px; padding: 34px; }
label { color: #d8e0e7; font-size: .86rem; font-weight: 700; }
input, select { width: 100%; min-height: 48px; padding: .75rem .85rem; color: var(--text); background: #0b1118; border: 1px solid #334353; border-radius: 10px; }
input:hover, select:hover { border-color: #50677a; }
.notice { margin-bottom: 20px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.notice-error { color: #ffd1d1; border-color: rgba(255,139,139,.4); background: rgba(255,139,139,.08); }
.form-stack { display: grid; gap: 14px; }
.field-help { margin: -.35rem 0 .25rem; color: var(--muted); font-size: .83rem; }
.read-only-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 4px 0; }
.read-only-grid span { display: grid; gap: .2rem; padding: 12px; background: #0b1118; border: 1px solid var(--line); border-radius: 10px; }
.read-only-grid span:last-child { grid-column: 1 / -1; }
.read-only-grid strong { font-size: .83rem; }
.check-row { display: grid; grid-template-columns: 22px 1fr; align-items: start; gap: .7rem; padding: 14px; background: rgba(246,200,107,.06); border: 1px solid rgba(246,200,107,.25); border-radius: 10px; }
.check-row input { width: 20px; min-height: 20px; margin: 0; }
.action-panel { display: flex; align-items: stretch; flex-direction: column; gap: 12px; }
.action-panel > a:not(.button) { color: var(--accent); font-size: .88rem; }
.is-hidden { display: none !important; }
.timeline { display: grid; padding-top: 10px; }
.timeline-item { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.timeline-item > span { display: grid; place-items: center; width: 28px; height: 28px; color: var(--accent); background: rgba(98,230,179,.1); border-radius: 50%; font-size: .78rem; font-weight: 800; }
.timeline-item > div { display: grid; gap: .25rem; }
.billing-warning { color: var(--warning); border-color: rgba(246,200,107,.3); background: rgba(246,200,107,.06); font-size: .82rem; }
.mobile-layout { display: grid; grid-template-columns: 1fr minmax(280px, 380px); align-items: center; gap: clamp(32px, 8vw, 100px); min-height: 60vh; }
.connection-preview { display: flex; align-items: center; gap: 14px; margin: 28px 0; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.connection-preview div { display: grid; gap: .25rem; }
.pulse-dot { width: 12px; height: 12px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 7px rgba(98,230,179,.1); }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.copy-status { min-height: 2.5rem; margin-top: 14px; color: var(--muted); }
.qr-card { display: grid; gap: 14px; padding: 24px; color: var(--muted); background: white; border-radius: 20px; text-align: center; }
.qr-card img { width: 100%; height: auto; image-rendering: crisp-edges; }
.vpn-dialog { width: min(92vw, 560px); border: 0; border-radius: 18px; padding: 24px; background: var(--panel); color: var(--text); }
.vpn-dialog::backdrop { background: rgba(0, 0, 0, .72); }
.vpn-dialog label { display: grid; gap: 6px; margin-top: 12px; }
.vpn-dialog input, .vpn-dialog textarea { width: 100%; }
.vpn-dialog img { display: block; max-width: 100%; height: auto; margin: 12px auto; background: white; }
.dialog-close { float: right; border: 0; background: transparent; color: inherit; font-size: 28px; cursor: pointer; }
.admin-links, .winner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.admin-links a { display: grid; gap: .4rem; text-decoration: none; }
.admin-links a:hover { border-color: rgba(98,230,179,.5); }
.admin-user { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.admin-user > div:first-child { display: grid; gap: .25rem; }
.compact-actions, .compact-actions form { display: flex; align-items: center; gap: 8px; }
.compact-actions input { width: 72px; }
.one-time-password { display: grid; gap: .5rem; color: var(--warning); border-color: rgba(246,200,107,.35); }
.one-time-password code { padding: 12px; color: var(--text); background: #05080c; border-radius: 8px; font-size: 1.1rem; overflow-wrap: anywhere; }
.danger-button, .button-danger { color: #2a0707; background: var(--danger); border-color: var(--danger); }
.button-danger:hover { border-color: var(--danger); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); }

@media (max-width: 720px) {
  .site-header { position: static; align-items: flex-start; padding: 18px 20px; }
  nav { justify-content: flex-end; flex-wrap: wrap; }
  nav a { display: none; }
  .page-shell { width: min(100% - 28px, 620px); padding: 38px 0 70px; }
  .hero-row { align-items: stretch; flex-direction: column; }
  .hero-row .button { width: 100%; }
  .stats-grid, .content-grid, .auth-layout { grid-template-columns: 1fr; }
  .stats-grid { gap: 10px; }
  .stat-card { min-height: 120px; }
  .auth-intro { display: none; }
  .auth-card { padding: 24px; }
  .list-item { align-items: flex-start; flex-direction: column; }
  .read-only-grid { grid-template-columns: 1fr; }
  .read-only-grid span:last-child { grid-column: auto; }
  .mobile-layout { grid-template-columns: 1fr; }
  .qr-card { order: -1; width: min(100%, 360px); margin: 0 auto; }
  .admin-links, .winner-grid { grid-template-columns: 1fr; }
  .admin-user, .compact-actions { align-items: stretch; flex-direction: column; }
}