/* DUEL: base, header, home, boards. Flat charcoal, thin lines, green against red. No outlines, no hard shadows. */
:root {
  --bg: #17181b; --bg2: #1c1e22; --panel: #212328; --panel2: #2a2d33; --panel3: #32363d;
  --line: rgba(255, 255, 255, .09); --line2: rgba(255, 255, 255, .17);
  --text: #eef0f3; --muted: #a0a6b0; --dim: #6f7681;
  --green: #2fd16b; --green-d: #17a35a; --red: #ff4d42; --red-d: #d92a20; --yellow: #ffd23f;
  --r: 14px; --rs: 10px;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--text); font: 500 15px/1.55 var(--body); -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
#app { flex: 1; display: flex; flex-direction: column; }
#app > #room { flex: 1; display: flex; flex-direction: column; }
#app > .stage, #room > .stage { flex: 1; }
img, svg { max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--body); font-weight: 800; letter-spacing: -.02em; margin: 0; line-height: 1.1; }
p { margin: 0; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--green); color: #04130a; padding: 8px 14px; border-radius: 8px; z-index: 99; font-weight: 700; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }
.mono { font-family: var(--mono); font-feature-settings: 'tnum'; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }
::selection { background: rgba(47, 209, 107, .35); }

/* ---------- header ---------- */
.top { position: sticky; top: 0; z-index: 50; background: rgba(23, 24, 27, .88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.top .in { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font: 800 19px/1 var(--body); text-decoration: none; letter-spacing: .04em; }
.brand img { width: 32px; height: 32px; border-radius: 9px; display: block; }
.nav { display: flex; gap: 2px; margin-left: 12px; }
.nav a { padding: 8px 13px; border-radius: 8px; font-weight: 600; font-size: 14px; text-decoration: none; color: var(--muted); transition: background .15s, color .15s; }
.nav a:hover { color: var(--text); background: rgba(255, 255, 255, .05); }
.nav a.on { background: rgba(255, 255, 255, .09); color: var(--text); }
.tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.live-chip { display: inline-flex; align-items: center; gap: 8px; font: 600 12.5px var(--body); padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line2); color: var(--muted); white-space: nowrap; }
.live-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(47, 209, 107, .55); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(47, 209, 107, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 209, 107, 0); } }
.sound, .top-soc a { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line2); background: transparent; display: grid; place-items: center; padding: 0; color: var(--muted); transition: background .15s, color .15s; }
.sound:hover, .top-soc a:hover { background: rgba(255, 255, 255, .06); color: var(--text); }
.sound svg { width: 18px; height: 18px; fill: currentColor; }
.sound[aria-pressed="true"] .on-i, .sound[aria-pressed="false"] .off-i { display: block; } .sound[aria-pressed="true"] .off-i, .sound[aria-pressed="false"] .on-i { display: none; }
.soc.top-soc { display: flex; gap: 8px; } .top-soc img { width: 17px; height: 17px; }
#burger { display: none; width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line2); background: transparent; padding: 0; }
#burger i, #burger i::before, #burger i::after { display: block; width: 16px; height: 2px; background: var(--text); border-radius: 2px; margin: auto; position: relative; }
#burger i::before, #burger i::after { content: ''; position: absolute; left: 0; } #burger i::before { top: -5px; } #burger i::after { top: 5px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line2); border-radius: var(--rs); padding: 10px 18px; font: 700 14px var(--body); text-decoration: none; background: var(--panel2); color: var(--text); transition: background .15s, border-color .15s, transform .1s; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--panel3); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; }
.btn.go, .btn.green { background: var(--green); color: #04130a; border-color: transparent; } .btn.go:hover, .btn.green:hover { background: #45dd7e; }
.btn.red { background: var(--red); color: #fff; border-color: transparent; } .btn.red:hover { background: #ff6459; }
.btn.ink { background: #f2f4f7; color: #14161a; border-color: transparent; } .btn.ink:hover { background: #fff; }
.btn.ghost { background: transparent; } .btn.ghost:hover { background: rgba(255, 255, 255, .06); }
.btn.sm { padding: 7px 13px; font-size: 13px; }
.btn.xl { padding: 17px 38px; font: 800 18px var(--body); letter-spacing: .01em; border-radius: 12px; }
.btn.block { width: 100%; }
.btn .spin { width: 15px; height: 15px; border: 2.5px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn.wallet { background: var(--panel2); gap: 8px; padding: 4px 12px 4px 5px; } .btn.wallet .avatar { width: 26px; height: 26px; } .btn.wallet small { font-weight: 600; color: var(--muted); font-size: 12px; }

/* ---------- parts ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.chip { display: inline-flex; align-items: center; gap: 6px; font: 700 11.5px var(--body); letter-spacing: .01em; padding: 4px 9px; border-radius: 7px; border: 1px solid var(--line2); background: rgba(255, 255, 255, .04); color: var(--text); white-space: nowrap; }
.chip.y { background: rgba(255, 210, 63, .13); color: #ffd23f; border-color: rgba(255, 210, 63, .32); }
.chip.g { background: rgba(47, 209, 107, .13); color: #4fe08a; border-color: rgba(47, 209, 107, .32); }
.chip.r { background: rgba(255, 77, 66, .13); color: #ff7167; border-color: rgba(255, 77, 66, .32); }
.avatar { border-radius: 9px; display: block; flex: none; }
.who { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; min-width: 0; } .who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ph { display: inline-grid; place-items: center; background: var(--panel3); color: var(--muted); font: 800 1.3em var(--body); }
.badge { display: inline-flex; align-items: center; gap: 6px; background: color-mix(in srgb, var(--bc, #fff) 18%, transparent); border: 1px solid color-mix(in srgb, var(--bc, #fff) 45%, transparent); border-radius: 8px; padding: 3px; height: 26px; min-width: 26px; justify-content: center; }
.badge svg { width: 15px; height: 15px; fill: var(--bc, #fff); } .badge.big { padding: 4px 12px 4px 6px; height: 32px; } .badge b { font: 700 12.5px var(--body); color: var(--text); }
.empty { text-align: center; padding: 60px 20px; } .empty h3 { font-size: 28px; margin-bottom: 8px; } .empty p { color: var(--muted); margin-bottom: 20px; }
.page { padding: 40px 0 70px; }
.page-in > * { animation: rise .45s var(--ease) backwards; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.toasts { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 90; display: grid; gap: 10px; width: min(440px, 100% - 28px); pointer-events: none; }
.toast { background: var(--panel3); color: var(--text); border: 1px solid var(--line2); border-radius: 12px; padding: 12px 16px; font-weight: 600; box-shadow: 0 12px 36px rgba(0, 0, 0, .45); animation: rise .3s var(--ease); pointer-events: auto; }
.toast.bad { background: #3a2220; border-color: rgba(255, 77, 66, .5); } .toast.out { opacity: 0; transition: opacity .4s; }
.confetti { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 80; }
.shake { animation: shake .5s cubic-bezier(.36, .07, .19, .97) both; }
@keyframes shake { 10%, 90% { transform: translate3d(-1px, 0, 0); } 20%, 80% { transform: translate3d(3px, 0, 0); } 30%, 50%, 70% { transform: translate3d(-5px, 0, 0); } 40%, 60% { transform: translate3d(5px, 0, 0); } }
dialog.dlg { border: 1px solid var(--line2); border-radius: 18px; padding: 0; background: var(--panel); color: var(--text); box-shadow: 0 30px 80px rgba(0, 0, 0, .6); width: min(520px, 100% - 28px); max-height: calc(100vh - 40px); overflow: auto; animation: rise .3s var(--ease); }
dialog.dlg::backdrop { background: rgba(8, 9, 11, .6); backdrop-filter: blur(4px); }
.dlg .dh { padding: 20px 24px 6px; display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; } .dlg .dh h3 { font-size: 22px; }
.dlg .db { padding: 8px 24px 24px; display: grid; gap: 14px; }
.x { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line2); background: transparent; font: 600 18px/1 var(--body); display: grid; place-items: center; padding: 0; flex: none; color: var(--muted); } .x:hover { background: rgba(255, 255, 255, .06); color: var(--text); }

/* ---------- hero ---------- */
.hero-wrap { padding-top: 24px; }
.hero { position: relative; border: 1px solid var(--line2); border-radius: 22px; overflow: hidden; background: radial-gradient(60% 80% at 0% 0%, rgba(47, 209, 107, .22), transparent 70%) no-repeat, radial-gradient(60% 80% at 100% 0%, rgba(255, 77, 66, .2), transparent 70%) no-repeat, var(--bg2); isolation: isolate; }
.hero .seam, .stage .seam { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; background: transparent; }
.hero .seam polygon, .stage .seam polygon { fill: transparent; } .hero .seam polyline, .stage .seam polyline { fill: none; stroke: rgba(255, 255, 255, .12); stroke-width: 1.5; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1.2px) 0 0 / 24px 24px; -webkit-mask-image: radial-gradient(70% 90% at 50% 50%, #000, transparent); mask-image: radial-gradient(70% 90% at 50% 50%, #000, transparent); }
.hero-in { display: grid; place-items: center; padding: 84px 28px 76px; }
.hero-mid { text-align: center; display: grid; justify-items: center; gap: 22px; max-width: 720px; }
.kicker { display: inline-flex; align-items: center; gap: 9px; background: rgba(0, 0, 0, .28); border: 1px solid var(--line2); border-radius: 999px; padding: 6px 14px; font-weight: 600; font-size: 13px; color: var(--muted); }
.kicker i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: ping 1.8s infinite; }
.hero h1 { font-size: clamp(42px, 6.6vw, 80px); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; color: #fff; }
.hero h1 .y { color: var(--green); display: inline-block; }
.hero .lead { max-width: 540px; font-size: 17px; font-weight: 500; color: var(--muted); line-height: 1.6; }
.cta { display: grid; justify-items: center; gap: 16px; margin-top: 6px; }
.stakes { display: inline-flex; padding: 4px; gap: 2px; background: rgba(0, 0, 0, .3); border: 1px solid var(--line2); border-radius: 12px; }
.stakes button { border: 0; background: transparent; border-radius: 9px; padding: 8px 16px; font-weight: 700; font-size: 13.5px; color: var(--muted); transition: background .15s, color .15s; }
.stakes button:hover { color: var(--text); }
.stakes button[aria-checked="true"] { background: var(--panel3); color: #fff; }
.stakes button small { display: block; font-weight: 500; font-size: 10.5px; opacity: .75; margin-top: -1px; }
.fine { font-size: 12.5px; font-weight: 500; color: var(--dim); }
.pulse-btn { position: relative; box-shadow: 0 0 0 0 rgba(47, 209, 107, .5); animation: glow 2.4s ease-out infinite; }
@keyframes glow { 0% { box-shadow: 0 0 0 0 rgba(47, 209, 107, .45); } 70% { box-shadow: 0 0 0 16px rgba(47, 209, 107, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 209, 107, 0); } }

/* ---------- sections ---------- */
.sec { padding: 60px 0 4px; } .sec > .wrap > h2, .sech h2 { font-size: clamp(26px, 3.4vw, 36px); } .sech { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.sech p { color: var(--muted); font-weight: 500; max-width: 560px; margin-top: 6px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step { padding: 22px; display: grid; gap: 8px; align-content: start; transition: border-color .2s, transform .2s var(--ease); }
.step:hover { border-color: var(--line2); transform: translateY(-2px); }
.step .n { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font: 800 14px var(--body); background: rgba(47, 209, 107, .14); color: var(--green); }
.step h3 { font-size: 18px; margin-top: 6px; } .step p { color: var(--muted); font-weight: 500; font-size: 14.5px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { padding: 20px 20px 10px; } .panel h3 { font-size: 20px; display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.panel .dotl { width: 9px; height: 9px; border-radius: 50%; background: var(--red); animation: ping 1.6s infinite; }
.rows { display: grid; } .rows .none { padding: 22px 2px 18px; color: var(--dim); font-weight: 500; }
.mrow { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); text-decoration: none; transition: background .15s; }
.mrow:first-child { border-top: 0; } .mrow:hover .t { color: #fff; }
.pair { display: flex; align-items: center; } .pair img, .pair .ph { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; border: 2px solid var(--panel); font-size: 17px; background: var(--panel3); }
.pair > :last-child { margin-left: -10px; } .pair .a { box-shadow: 0 0 0 2px var(--green); } .pair .b { box-shadow: 0 0 0 2px var(--red); }
.mrow .t { font-weight: 700; line-height: 1.3; min-width: 0; } .mrow .t small { display: block; font-weight: 500; color: var(--dim); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mrow .r { text-align: right; font-weight: 700; font-size: 13px; }
.vs { font: 800 10px var(--body); background: var(--panel3); color: var(--muted); border-radius: 50%; width: 22px; height: 22px; display: inline-grid; place-items: center; margin: 0 -2px; z-index: 1; border: 2px solid var(--panel); text-transform: uppercase; }

/* leaderboard */
.lb { width: 100%; border-collapse: separate; border-spacing: 0; }
.lb th { text-align: left; font: 700 11px var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.lb td { padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: middle; font-weight: 600; }
.lb tr:first-child td { border-top: 0; } .lb tbody tr:hover { background: rgba(255, 255, 255, .03); }
.lb .rk { width: 52px; font: 700 15px var(--mono); color: var(--dim); }
.lb .num { text-align: right; font-family: var(--mono); font-weight: 600; } .lb td a { text-decoration: none; }
.medal { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; font: 800 14px var(--body); color: #14161a; }
.medal.m1 { background: #ffd23f; } .medal.m2 { background: #d4d8de; } .medal.m3 { background: #e0a070; }
.tabs { display: inline-flex; gap: 2px; padding: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 11px; margin-bottom: 22px; }
.tabs button { border: 0; background: transparent; border-radius: 8px; padding: 8px 18px; font-weight: 700; font-size: 14px; color: var(--muted); } .tabs button[aria-selected="true"] { background: var(--panel3); color: #fff; }
.scroll-x { overflow-x: auto; }
.hall { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.hcard { padding: 18px; display: grid; gap: 8px; justify-items: start; text-decoration: none; transition: border-color .2s, transform .2s var(--ease); } .hcard:hover { border-color: var(--line2); transform: translateY(-2px); }
.hcard img, .hcard .ph { width: 56px; height: 56px; border-radius: 14px; object-fit: cover; font-size: 24px; }
.hcard b { font: 800 26px var(--mono); letter-spacing: -.02em; } .hcard small { color: var(--dim); font-weight: 600; }
.profile-head { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 24px; } .profile-head .avatar { width: 84px; height: 84px; border-radius: 22px; }
.profile-head h1 { font-size: clamp(30px, 4.4vw, 46px); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat { padding: 16px 18px; } .stat b { display: block; font: 700 28px/1.15 var(--mono); letter-spacing: -.02em; } .stat span { font-weight: 600; color: var(--dim); font-size: 12.5px; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; }

/* rules */
.rules { margin: 60px auto 0; padding: 26px 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.rules h4 { font-size: 16px; margin: 0 0 6px; } .rules p { color: var(--muted); font-weight: 500; font-size: 14px; }

/* ---------- footer ---------- */
.foot { margin-top: 70px; border-top: 1px solid var(--line); background: var(--bg2); }
.foot .in { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 0; flex-wrap: wrap; font-weight: 500; font-size: 13.5px; color: var(--dim); }
.foot .soc { display: flex; gap: 8px; } .foot .soc a { width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line2); display: grid; place-items: center; transition: background .15s; } .foot .soc a:hover { background: rgba(255, 255, 255, .06); }
.foot .soc img { width: 18px; height: 18px; }

@media (max-width: 980px) {
  .steps { grid-template-columns: 1fr 1fr; } .two { grid-template-columns: 1fr; } .rules { grid-template-columns: 1fr; }
  .hero-in { padding: 56px 20px 54px; } .hero { border-radius: 18px; }
  .nav { position: fixed; inset: 62px 0 auto 0; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; padding: 10px 14px 16px; margin: 0; display: none; }
  .nav.open { display: flex; } .nav a { padding: 13px 14px; font-size: 16px; } #burger { display: block; }
  .live-chip.hide-m { display: none; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 28px); } .steps { grid-template-columns: 1fr; } .brand { font-size: 17px; } .btn.xl { padding: 15px 28px; font-size: 17px; }
  .top .in { gap: 10px; } .soc.top-soc { display: none; }
  .stakes button { padding: 7px 11px; font-size: 13px; } .lb th:nth-child(n+6), .lb td:nth-child(n+6) { display: none; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; } }