:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e2e6ec;
  --text: #0f1720;
  --muted: #5d6b7a;
  --accent: #059669;
  --accent-strong: #047857;
  --accent-soft: #d1fae5;
  --on-accent: #ffffff;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #dc2626;
  --up: #059669;
  --down: #dc2626;
  --live: #e11d48;
  --shadow: 0 1px 2px rgba(15, 23, 32, .06), 0 4px 16px rgba(15, 23, 32, .05);
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1016; --surface: #121922; --surface-2: #19222d; --border: #253140;
    --text: #e7edf3; --muted: #8b9aab; --accent: #10b981; --accent-strong: #34d399;
    --accent-soft: #0b3b2c; --on-accent: #04140e; --warn: #f59e0b; --warn-soft: #3a2a0a;
    --up: #34d399; --down: #f87171; --live: #fb7185;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1016; --surface: #121922; --surface-2: #19222d; --border: #253140;
  --text: #e7edf3; --muted: #8b9aab; --accent: #10b981; --accent-strong: #34d399;
  --accent-soft: #0b3b2c; --on-accent: #04140e; --warn: #f59e0b; --warn-soft: #3a2a0a;
  --up: #34d399; --down: #f87171; --live: #fb7185;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(28px, 4.5vw, 44px); }
h2 { font-size: 24px; }
h3 { font-size: 17px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono, .odds { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grow { flex: 1; }
.hide { display: none !important; }

/* top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.topbar-inner { display: flex; align-items: center; gap: 20px; height: 60px; }
.logo { font-weight: 600; font-size: 19px; color: var(--text); display: inline-flex; align-items: center; gap: 8px; }
.logo:hover { text-decoration: none; }
.logo b { color: var(--accent); }
.logo-mark { width: 22px; height: 22px; border-radius: 50%; background: conic-gradient(var(--accent) 0 75%, var(--accent-soft) 0); position: relative; }
.logo-mark::after { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: var(--surface); }
.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav a { color: var(--muted); padding: 8px 10px; border-radius: 8px; font-weight: 500; font-size: 14px; }
.nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--surface-2); }
.nav-sep { flex: 1; }
#authNav { display: flex; gap: 6px; align-items: center; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 10px; font-size: 18px; }
@media (max-width: 960px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 16px 16px; }
  .nav.open { display: flex; }
  .nav-sep { display: none; }
  #authNav { padding-top: 8px; }
}

.ticker { background: var(--surface-2); border-bottom: 1px solid var(--border); font-size: 13px; color: var(--muted); }
.ticker .wrap { display: flex; gap: 22px; height: 34px; align-items: center; overflow: hidden; white-space: nowrap; }
.ticker b { color: var(--text); font-family: var(--mono); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--live); margin-right: 6px; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

main { padding: 28px 16px 60px; min-height: 70vh; }

/* buttons, inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 8px 14px; border-radius: 9px; font: inherit; font-weight: 500; font-size: 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn.lg { padding: 12px 20px; font-size: 16px; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
input, select { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; min-width: 0; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; cursor: pointer; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.pad { padding: 20px; }
.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head p { margin: 0; color: var(--muted); max-width: 640px; }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.badge.live { background: color-mix(in srgb, var(--live) 15%, transparent); color: var(--live); }
.badge.pro { background: var(--accent-soft); color: var(--accent-strong); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.margin-pill { font-family: var(--mono); font-weight: 700; font-size: 18px; color: var(--accent-strong); background: var(--accent-soft); border-radius: 10px; padding: 6px 10px; }

/* filters */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; padding: 14px; margin-bottom: 18px; }
.filters .field { min-width: 140px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: var(--surface); padding: 5px 12px; border-radius: 999px; font-size: 13px; cursor: pointer; color: var(--muted); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }

/* surebet list */
.sb-list { display: flex; flex-direction: column; gap: 12px; }
.sb { padding: 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; cursor: pointer; transition: border-color .15s; }
.sb:hover { border-color: var(--accent); }
.sb.new { animation: flash 1.5s; }
@keyframes flash { from { box-shadow: 0 0 0 3px var(--accent); } }
.sb-title { font-weight: 600; }
.sb-meta { font-size: 13px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.legs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.leg { background: var(--surface-2); border-radius: 8px; padding: 6px 10px; font-size: 13px; display: flex; gap: 8px; align-items: baseline; }
.leg .odds { font-weight: 700; font-size: 15px; }
.sb-age { text-align: right; font-size: 12px; color: var(--muted); }
@media (max-width: 640px) { .sb { grid-template-columns: 1fr; } .sb-age { text-align: left; } }

.locked-row { padding: 16px; display: flex; gap: 14px; align-items: center; justify-content: space-between; border-style: dashed; background: var(--surface-2); flex-wrap: wrap; }
.blur { filter: blur(5px); user-select: none; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: var(--surface-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--surface-2) 60%, transparent); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.best { background: var(--accent-soft) !important; color: var(--accent-strong); font-weight: 700; }
td.lock { color: var(--muted); }
.clickable { cursor: pointer; }
.up { color: var(--up); }
.down { color: var(--down); }
.flash-up { animation: fu 1.2s; }
.flash-down { animation: fd 1.2s; }
@keyframes fu { from { background: color-mix(in srgb, var(--up) 30%, transparent); } }
@keyframes fd { from { background: color-mix(in srgb, var(--down) 30%, transparent); } }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; padding: 30px 0 40px; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 520px; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } }
.stat { padding: 18px; }
.stat .v { font-family: var(--mono); font-size: 26px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 13px; }
.section { margin-top: 56px; }
.steps { counter-reset: s; }
.steps .card { position: relative; padding: 20px 20px 20px 64px; }
.steps .card::before { counter-increment: s; content: counter(s); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-strong); font-weight: 700; display: grid; place-items: center; }
.book-strip { display: flex; flex-wrap: wrap; gap: 8px; }
.book-strip span { padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--surface); }
details.faq { border-bottom: 1px solid var(--border); padding: 14px 0; }
details.faq summary { cursor: pointer; font-weight: 600; }
details.faq p { color: var(--muted); margin: 10px 0 0; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; max-width: 920px; }
.plan { padding: 26px; display: flex; flex-direction: column; gap: 14px; }
.plan.featured { border: 2px solid var(--accent); }
.plan .price { font-size: 36px; font-weight: 700; font-family: var(--mono); }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 8px; }
.plan li.no { color: var(--muted); }
.plan li.no::before { content: "–"; color: var(--muted); }
.toggle { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; }
.toggle button { border: 0; background: none; padding: 6px 14px; border-radius: 8px; font: inherit; font-size: 14px; color: var(--muted); cursor: pointer; }
.toggle button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

/* calculator modal */
.modal { position: fixed; inset: 0; background: rgba(5, 10, 15, .55); z-index: 50; display: grid; place-items: center; padding: 16px; }
.modal[hidden] { display: none; }
.modal-box { width: min(640px, 100%); max-height: 92vh; overflow: auto; padding: 22px; }
.calc-legs td input { width: 96px; text-align: right; font-family: var(--mono); }
.result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.result div { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.result .v { font-family: var(--mono); font-weight: 700; font-size: 18px; }
.result .l { font-size: 12px; color: var(--muted); }

/* gate */
.gate { text-align: center; padding: 40px 20px; }
.gate h2 { margin-bottom: 8px; }

/* chart */
.chart svg { width: 100%; height: 260px; display: block; }
.chart .legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--muted); margin-top: 6px; }
.chart .legend i { display: inline-block; width: 10px; height: 3px; margin-right: 5px; vertical-align: middle; }

/* toasts */
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 10px; z-index: 60; max-width: calc(100vw - 32px); }
.toast { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent); box-shadow: var(--shadow); padding: 12px 14px; border-radius: 10px; width: 340px; max-width: 100%; font-size: 14px; cursor: pointer; animation: tin .25s; }
@keyframes tin { from { transform: translateY(10px); opacity: 0; } }
.toast.err { border-left-color: var(--danger); }

/* article */
.article { max-width: 760px; }
.article p, .article li { color: var(--text); font-size: 16px; line-height: 1.7; }
.article .callout { background: var(--surface-2); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 6px; }

.auth { max-width: 400px; margin: 30px auto; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.error { color: var(--danger); font-size: 14px; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* demo checkout */
.banks { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.banks button { padding: 12px; }
.banks button.on { border-color: var(--accent); outline: 2px solid var(--accent); }

.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 36px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 24px; }
.footer-grid h4 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.footer-grid a:not(.logo) { display: block; color: var(--text); font-size: 14px; padding: 3px 0; }
.footnote { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }