:root {
  --bg: #09090b;
  --bg-2: #0f0f12;
  --surface: #131317;
  --surface-2: #18181d;
  --border: #23232a;
  --border-2: #2e2e37;
  --text: #ececef;
  --muted: #8b8b96;
  --dim: #5c5c66;
  --accent: #f4f4f5;
  --glow: 255 255 255;
  --ok: #4ade80;
  --warn: #facc15;
  --bad: #f87171;
  --info: #a1a1aa;
  --discord: #5865f2;
  --radius: 14px;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --sans: "Inter", "Noto Sans Thai", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
::selection { background: #fff; color: #000; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #26262c; border-radius: 10px; border: 2px solid var(--bg); }

/* ---------- background fx ---------- */
.fx-grid {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background-image:
    linear-gradient(to right, rgb(255 255 255 / .035) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(255 255 255 / .035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  animation: grid-pan 40s linear infinite;
}
@keyframes grid-pan { to { background-position: 56px 56px; } }
.fx-spot {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, -10%), rgb(255 255 255 / .06), transparent 60%);
  transition: background .1s;
}
.fx-noise {
  position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: noise 1s steps(4) infinite;
}
@keyframes noise { 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-2%,-1%)} }
.fx-orb {
  position: fixed; width: 520px; height: 520px; border-radius: 50%; z-index: -2; pointer-events: none;
  background: radial-gradient(circle, rgb(255 255 255 / .07), transparent 65%);
  filter: blur(40px); top: -200px; left: 50%; transform: translateX(-50%);
  animation: orb 12s ease-in-out infinite alternate;
}
@keyframes orb { to { transform: translate(-30%, 60px) scale(1.15); } }

/* ---------- layout ---------- */
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgb(9 9 11 / .65);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .14em; font-size: 14px; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 7px; position: relative;
  background: linear-gradient(135deg, #fff, #6b6b75); box-shadow: 0 0 24px rgb(255 255 255 / .25);
}
.brand-mark::after { content: ""; position: absolute; inset: 7px; border-radius: 3px; background: var(--bg); }
.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-links a { color: var(--muted); padding: 6px 12px; border-radius: 8px; font-size: 14px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.kbd {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  border: 1px solid var(--border-2); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; background: var(--surface);
}

/* ---------- buttons ---------- */
.btn {
  --b: var(--border-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--b); background: var(--surface); font-weight: 500; font-size: 14px;
  transition: transform .15s, background .2s, border-color .2s, box-shadow .2s;
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: #3c3c46; }
.btn:active { transform: scale(.97); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--accent); color: #0a0a0b; border-color: var(--accent); box-shadow: 0 0 0 0 rgb(var(--glow) / .0); }
.btn-primary:hover { background: #fff; box-shadow: 0 0 30px rgb(var(--glow) / .25); }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; transform: translateX(-120%);
  background: linear-gradient(100deg, transparent 30%, rgb(255 255 255 / .8) 50%, transparent 70%);
}
.btn-primary:hover::before { transform: translateX(120%); transition: transform .7s; }
.btn-discord { background: var(--discord); border-color: var(--discord); color: #fff; }
.btn-discord:hover { background: #6773f5; box-shadow: 0 0 30px rgb(88 101 242 / .4); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface); border-color: var(--border); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { height: 48px; padding: 0 22px; font-size: 15px; border-radius: 12px; }
.btn-danger:hover { border-color: var(--bad); color: var(--bad); }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* ---------- hero ---------- */
.hero { padding: 120px 0 80px; text-align: center; position: relative; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 6px;
  border: 1px solid var(--border-2); border-radius: 999px; font-size: 13px; color: var(--muted);
  background: rgb(19 19 23 / .7); backdrop-filter: blur(6px);
}
.pill b { background: var(--accent); color: #000; font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); display: inline-block; animation: pulse 2s infinite; }
.dot.warn { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.dot.bad { background: var(--bad); box-shadow: 0 0 10px var(--bad); }
.dot.info { background: var(--info); box-shadow: 0 0 10px var(--info); }
@keyframes pulse { 50% { opacity: .4; } }
.hero h1 {
  font-size: clamp(44px, 8vw, 96px); line-height: .95; letter-spacing: -.045em; margin: 26px 0 20px; font-weight: 800;
  background: linear-gradient(180deg, #fff 20%, #6e6e78 110%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .scramble { font-family: var(--mono); letter-spacing: -.02em; }
.hero p.lead { color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 600px; margin: 0 auto 36px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-meta { margin-top: 48px; display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; color: var(--dim); font-size: 13px; font-family: var(--mono); }
.hero-meta strong { color: var(--text); font-weight: 600; }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--border); overflow: hidden; padding: 16px 0; mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 30s linear infinite; }
.marquee span { font-family: var(--mono); color: var(--dim); font-size: 13px; text-transform: uppercase; letter-spacing: .15em; white-space: nowrap; }
.marquee span::before { content: "✦ "; color: var(--muted); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
section { padding: 96px 0; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); }
.h2 { font-size: clamp(30px, 4.5vw, 48px); letter-spacing: -.035em; line-height: 1.05; margin: 12px 0 14px; font-weight: 700; }
.sub { color: var(--muted); max-width: 560px; margin: 0; }
.section-head { margin-bottom: 48px; }

/* ---------- cards ---------- */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; overflow: hidden; isolation: isolate;
}
.card.glow::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at var(--cx) var(--cy), rgb(255 255 255 / .07), transparent 50%);
}
.card.glow::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(300px circle at var(--cx) var(--cy), rgb(255 255 255 / .45), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.card.glow:hover::before, .card.glow:hover::after { opacity: 1; }
.card h3 { margin: 16px 0 6px; font-size: 17px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(180deg, var(--surface-2), var(--bg-2)); border: 1px solid var(--border-2);
}
.icon svg { width: 20px; height: 20px; stroke: var(--text); }
.tilt { transform-style: preserve-3d; transition: transform .2s ease-out; will-change: transform; }

/* ---------- terminal ---------- */
.term { background: #0b0b0d; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 80px -30px rgb(0 0 0 / .8), 0 0 0 1px rgb(255 255 255 / .02); }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--border); background: var(--bg-2); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #2a2a30; }
.term-bar span { margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--dim); }
.term-body { font-family: var(--mono); font-size: 13px; padding: 18px; min-height: 260px; color: #bdbdc5; white-space: pre-wrap; }
.term-body .c { color: var(--dim); }
.term-body .g { color: var(--ok); }
.term-body .w { color: #fff; }
.caret { display: inline-block; width: 8px; height: 15px; background: #fff; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.check { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.check li { display: flex; gap: 10px; color: var(--muted); }
.check li::before { content: "→"; color: var(--text); font-family: var(--mono); }

/* ---------- faq ---------- */
.faq { display: grid; gap: 10px; max-width: 760px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); transition: border-color .2s; }
.faq details[open] { border-color: var(--border-2); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 500; display: flex; justify-content: space-between; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--muted); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--muted); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--dim); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.big-word {
  font-size: clamp(64px, 18vw, 240px); font-weight: 900; letter-spacing: -.06em; line-height: .8; text-align: center;
  background: linear-gradient(180deg, #1c1c21, transparent 90%); -webkit-background-clip: text; background-clip: text; color: transparent;
  user-select: none; margin-top: 40px;
}

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); filter: blur(6px); transition: opacity .8s, transform .8s cubic-bezier(.2,.7,.2,1), filter .8s; }
.reveal.in { opacity: 1; transform: none; filter: none; }

/* ---------- toast ---------- */
.toasts { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: grid; gap: 8px; }
.toast {
  background: var(--surface-2); border: 1px solid var(--border-2); border-radius: 12px; padding: 12px 16px; min-width: 240px; max-width: 360px;
  font-size: 14px; box-shadow: 0 20px 40px -10px rgb(0 0 0 / .6); display: flex; gap: 10px; align-items: center;
  animation: toast-in .35s cubic-bezier(.2,.9,.3,1.3);
}
.toast.out { animation: toast-out .25s forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px) scale(.96); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(20px); } }

/* ---------- command palette ---------- */
.cmdk-backdrop { position: fixed; inset: 0; z-index: 150; background: rgb(0 0 0 / .6); backdrop-filter: blur(4px); display: none; align-items: flex-start; justify-content: center; padding-top: 14vh; }
.cmdk-backdrop.open { display: flex; animation: fade .15s; }
@keyframes fade { from { opacity: 0; } }
.cmdk { width: min(560px, 100% - 32px); background: var(--surface); border: 1px solid var(--border-2); border-radius: 16px; overflow: hidden; box-shadow: 0 40px 100px -20px #000; animation: pop .2s cubic-bezier(.2,.9,.3,1.2); }
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
.cmdk input { width: 100%; border: 0; outline: 0; background: transparent; padding: 18px 20px; font-size: 16px; border-bottom: 1px solid var(--border); }
.cmdk ul { list-style: none; margin: 0; padding: 8px; max-height: 340px; overflow: auto; }
.cmdk li { padding: 10px 12px; border-radius: 8px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 14px; }
.cmdk li.active { background: var(--surface-2); color: var(--text); }
.cmdk li small { font-family: var(--mono); color: var(--dim); font-size: 11px; }

/* ---------- app shell (dashboard/admin) ---------- */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side { border-right: 1px solid var(--border); padding: 20px 14px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 6px; background: rgb(9 9 11 / .6); backdrop-filter: blur(10px); }
.side .brand { padding: 4px 10px 20px; }
.side-label { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .15em; text-transform: uppercase; padding: 14px 10px 6px; }
.side a, .side button.link {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--muted); font-size: 14px;
  border: 0; background: none; cursor: pointer; text-align: left; width: 100%; transition: background .15s, color .15s;
}
.side a svg { width: 17px; height: 17px; }
.side a:hover { background: var(--surface); color: var(--text); }
.side a.active { background: var(--surface-2); color: var(--text); box-shadow: inset 2px 0 0 var(--accent); }
.side .me { margin-top: auto; display: flex; align-items: center; gap: 10px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--surface-2); flex: none; object-fit: cover; }
.avatar.lg { width: 72px; height: 72px; box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--border-2); }
.me .who { min-width: 0; }
.me .who b { display: block; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.me .who small { color: var(--dim); font-size: 12px; }
.main { padding: 28px 36px 60px; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.topbar h1 { margin: 0; font-size: 24px; letter-spacing: -.02em; }
.topbar .sp { flex: 1; }
.menu-btn { display: none; }
.panel { display: none; }
.panel.active { display: block; animation: rise .35s cubic-bezier(.2,.7,.2,1); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

.stat { padding: 20px; }
.stat .label { color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; }
.stat .value { font-size: 32px; font-weight: 700; letter-spacing: -.03em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat .hint { color: var(--dim); font-size: 12px; font-family: var(--mono); }

.profile { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.profile .name { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-family: var(--mono); padding: 3px 8px; border-radius: 6px; border: 1px solid var(--border-2); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.badge.admin { color: #000; background: var(--accent); border-color: var(--accent); }
.badge.bad { color: var(--bad); border-color: rgb(248 113 113 / .35); }
.badge.ok { color: var(--ok); border-color: rgb(74 222 128 / .3); }
.badge.warn { color: var(--warn); border-color: rgb(250 204 21 / .3); }
.copy { cursor: pointer; font-family: var(--mono); font-size: 12px; color: var(--dim); border-bottom: 1px dashed var(--border-2); }
.copy:hover { color: var(--text); }

.list { display: grid; gap: 10px; }
.ann { border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; background: var(--bg-2); }
.ann-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ann h4 { margin: 0; font-size: 15px; }
.ann p { margin: 8px 0 0; color: var(--muted); font-size: 14px; white-space: pre-wrap; }
.ann time { margin-left: auto; color: var(--dim); font-size: 12px; font-family: var(--mono); }
.empty { color: var(--dim); text-align: center; padding: 32px; border: 1px dashed var(--border); border-radius: 12px; font-size: 14px; }

.locked { text-align: center; padding: 56px 24px; }
.locked .lock {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 18px; display: grid; place-items: center;
  border: 1px solid var(--border-2); background: var(--bg-2); animation: float 4s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-6px); } }
.progress { height: 6px; background: var(--bg-2); border-radius: 99px; overflow: hidden; border: 1px solid var(--border); max-width: 320px; margin: 18px auto 6px; }
.progress i { display: block; height: 100%; width: var(--p, 30%); background: linear-gradient(90deg, #555, #fff); border-radius: inherit; position: relative; }
.progress i::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgb(255 255 255 / .6), transparent); animation: shimmer 1.8s infinite; }
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 500; color: var(--dim); font-size: 12px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 12px 14px; border-bottom: 1px solid var(--border); background: var(--bg-2); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgb(255 255 255 / .02); }
.u { display: flex; align-items: center; gap: 10px; min-width: 180px; }
.u small { display: block; color: var(--dim); font-family: var(--mono); font-size: 11px; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.input, select.input, textarea.input {
  height: 40px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--border-2); background: var(--bg-2); outline: none;
  transition: border-color .2s, box-shadow .2s; min-width: 0;
}
textarea.input { height: auto; min-height: 110px; padding: 12px 14px; resize: vertical; width: 100%; }
.input:focus { border-color: #55555f; box-shadow: 0 0 0 4px rgb(255 255 255 / .05); }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--muted); }

.bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; padding-top: 10px; }
.bars div { flex: 1; background: linear-gradient(180deg, #e4e4e7, #3f3f46); border-radius: 4px 4px 2px 2px; min-height: 2px; position: relative; transform-origin: bottom; animation: grow .8s cubic-bezier(.2,.7,.2,1) backwards; }
.bars div:hover { filter: brightness(1.3); }
.bars div[data-c]:hover::after { content: attr(data-c); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 4px; font-size: 11px; font-family: var(--mono); background: var(--surface-2); border: 1px solid var(--border-2); padding: 2px 6px; border-radius: 4px; white-space: nowrap; }
@keyframes grow { from { transform: scaleY(0); } }
.bars-x { display: flex; justify-content: space-between; color: var(--dim); font-size: 11px; font-family: var(--mono); margin-top: 8px; }

.log { font-family: var(--mono); font-size: 12px; display: grid; gap: 2px; max-height: 480px; overflow: auto; }
.log div { display: grid; grid-template-columns: 140px 130px 1fr; gap: 12px; padding: 7px 10px; border-radius: 6px; }
.log div:hover { background: var(--bg-2); }
.log .t { color: var(--dim); }
.log .k { color: var(--text); }
.log .d { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.seg { display: inline-flex; border: 1px solid var(--border-2); border-radius: 10px; padding: 3px; background: var(--bg-2); gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: none; padding: 6px 12px; border-radius: 7px; cursor: pointer; color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.seg button.on { background: var(--surface-2); color: var(--text); box-shadow: 0 0 0 1px var(--border-2); }

.skeleton { background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%); background-size: 200% 100%; animation: sk 1.4s infinite; border-radius: 8px; }
@keyframes sk { to { background-position: -200% 0; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; left: 0; top: 0; z-index: 60; width: 260px; transform: translateX(-100%); transition: transform .3s; background: var(--bg); }
  .side.open { transform: none; box-shadow: 0 0 0 100vmax rgb(0 0 0 / .5); }
  .menu-btn { display: inline-flex; }
  .main { padding: 20px 16px 60px; }
  .log div { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 56px; }
  .nav .kbd-hint { display: none; }
  section { padding: 64px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
}