/* HUTECH ANM portal — dark "terminal" look with HUTECH blue / red / yellow accents */
:root {
  --bg: #070d1a;
  --bg-grid: rgba(47, 143, 224, .06);
  --surface: #0e1729;
  --surface-2: #142038;
  --border: #213252;
  --text: #e4ecf7;
  --muted: #8ea2c0;
  --brand: #006bb3;
  --primary: #3d9be9;
  --primary-ink: #04121f;
  --red: #ff3b47;
  --yellow: #ffe500;
  --green: #3ddc84;
  --code-bg: #0a1222;
  --shadow: 0 8px 30px rgba(0, 0, 0, .35);
  --radius: 10px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-grid: rgba(0, 107, 179, .05);
  --surface: #ffffff;
  --surface-2: #eef3f9;
  --border: #d5e0ee;
  --text: #0f1b2d;
  --muted: #55667f;
  --primary: #006bb3;
  --primary-ink: #ffffff;
  --red: #d40511;
  --yellow: #b89a00;
  --green: #138a4b;
  --code-bg: #0f1b2d;
  --shadow: 0 6px 24px rgba(15, 27, 45, .08);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17.5px/1.7 var(--sans);
  color: var(--text);
  background:
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3 { font-family: var(--mono); line-height: 1.25; letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0 0 .5rem; }
h2 { font-size: 1.4rem; margin: 0 0 1rem; }
h3 { font-size: 1.12rem; margin: 0 0 .35rem; }
.wrap { width: 100%; max-width: 1480px; margin: 0 auto; padding: 0 clamp(16px, 2.5vw, 36px); }
main { flex: 1; padding: 28px 0 56px; overflow-x: clip; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.prompt::before { content: "$ "; color: var(--green); }

/* header */
.topbar { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.topbar .wrap { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--mono); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand img { height: 36px; }
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: .7rem; letter-spacing: .04em; }
.brand .accent { color: var(--red); }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a, .nav button.linklike { color: var(--muted); padding: 7px 10px; border-radius: 8px; font-size: .95rem; white-space: nowrap; }
.nav a:hover, .nav a.active { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a.cta { color: var(--primary-ink); background: var(--primary); font-weight: 600; }
.nav a.cta:hover { filter: brightness(1.1); }
.icon-btn { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 8px;
  width: 36px; height: 36px; cursor: pointer; font-size: 1rem; }
.icon-btn:hover { color: var(--text); }
.menu-toggle { display: none; }

/* buttons & forms */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); font: 600 .92rem var(--sans); cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--primary); }
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn.danger { color: var(--red); }
.btn.sm { padding: 5px 10px; font-size: .82rem; }
label { display: block; font-size: .85rem; color: var(--muted); margin: 14px 0 6px; }
input[type=text], input[type=password], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 55%, transparent); border-color: var(--primary); }
.form-card { max-width: 420px; margin: 24px auto; }
.row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.post-card { display: flex; flex-direction: column; gap: 8px; transition: border-color .15s, transform .15s; }
.post-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.post-card h3 a { color: var(--text); }
.post-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: .86rem; color: var(--muted); align-items: center; }
.chip { display: inline-block; font: 600 .78rem var(--mono); padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); background: var(--surface-2); }
a.chip:hover { text-decoration: none; border-color: var(--primary); color: var(--text); }
.chip.cat { color: var(--yellow); border-color: color-mix(in srgb, var(--yellow) 35%, transparent); }
.chip.red { color: var(--red); border-color: color-mix(in srgb, var(--red) 40%, transparent); }
.chip.yellow { color: var(--yellow); border-color: color-mix(in srgb, var(--yellow) 45%, transparent); }
.all-events { margin-top: 10px; }
.all-events summary { list-style: none; cursor: pointer; display: inline-flex; }
.all-events summary::-webkit-details-marker { display: none; }
.all-events[open] summary { margin-bottom: 8px; }
.chip.green { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); }
.chip.blue { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 40%, transparent); }

/* hero */
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center; padding: 26px 0 34px; }
.hero h1 .hl { color: var(--primary); }
.hero h1 .hl2 { color: var(--red); }
.hero p.lead { color: var(--muted); font-size: 1.05rem; max-width: 56ch; }
.terminal { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  font: .85rem/1.7 var(--mono); color: #cfe3ff; overflow: hidden; }
.terminal .bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid #1d2b47; }
.terminal .bar i { width: 11px; height: 11px; border-radius: 50%; background: #2a3a5c; }
.terminal .bar i:nth-child(1) { background: #ff5f57; } .terminal .bar i:nth-child(2) { background: #febc2e; } .terminal .bar i:nth-child(3) { background: #28c840; }
.terminal pre { margin: 0; padding: 14px 16px; white-space: pre-wrap; }
.terminal .g { color: #3ddc84; } .terminal .y { color: #ffe500; } .terminal .r { color: #ff6b74; } .terminal .b { color: #6fb6ff; }
.cursor { display: inline-block; width: .6em; background: #3ddc84; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.stats { display: flex; gap: 26px; margin-top: 20px; flex-wrap: wrap; }
.stats b { display: block; font: 700 1.6rem var(--mono); color: var(--text); }
.stats span { color: var(--muted); font-size: .82rem; }

.section { margin-top: 40px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-head h2 { margin: 0; }
.section-head h2::before { content: "# "; color: var(--red); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 12px 0; border-bottom: 1px dashed var(--border); }
.list li:last-child { border-bottom: 0; }
.list a.title { color: var(--text); font-weight: 600; }
.list p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }

/* events */
.event { display: grid; grid-template-columns: 56px 1fr auto; gap: 14px; align-items: center; }
.event img, .event .ph { width: 56px; height: 56px; border-radius: 8px; object-fit: contain; background: var(--surface-2); }
.event .ph { display: grid; place-items: center; font: 700 1.1rem var(--mono); color: var(--muted); }
.event .when { text-align: right; font: .8rem var(--mono); color: var(--muted); white-space: nowrap; }
.event .when b { display: block; color: var(--yellow); font-size: .9rem; }
.event h3 a { color: var(--text); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs a { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); font-size: .85rem; }
.tabs a.on, .tabs a:hover { color: var(--primary-ink); background: var(--primary); border-color: var(--primary); text-decoration: none; }

/* toolbar */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.toolbar input[type=search] { flex: 1 1 240px; }
.toolbar select { flex: 0 1 180px; }

/* article */
.article { max-width: 820px; margin: 0 auto; }
.article header { margin-bottom: 22px; }
.md { font-size: 1.02rem; overflow-wrap: anywhere; }
.md h1, .md h2, .md h3 { margin: 1.6em 0 .6em; }
.md h2 { border-bottom: 1px solid var(--border); padding-bottom: .3em; }
.md p, .md ul, .md ol { margin: 0 0 1em; }
.md code { font: .88em var(--mono); background: var(--surface-2); border: 1px solid var(--border); padding: .1em .35em; border-radius: 5px; }
.md pre { background: var(--code-bg); color: #e6edf3; border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
.md pre code { background: none; border: 0; padding: 0; color: inherit; font-size: .86rem; }
.md blockquote { margin: 0 0 1em; padding: .4em 1em; border-left: 3px solid var(--primary); background: var(--surface-2); color: var(--muted); border-radius: 0 6px 6px 0; }
.md table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; margin-bottom: 1em; }
.md th, .md td { border: 1px solid var(--border); padding: 6px 10px; }
.md img { border-radius: 8px; border: 1px solid var(--border); }

/* flashes, pager, tables */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; font-size: .92rem; }
.flash.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); background: color-mix(in srgb, var(--green) 8%, transparent); }
.flash.error { color: var(--red); border-color: color-mix(in srgb, var(--red) 40%, transparent); background: color-mix(in srgb, var(--red) 8%, transparent); }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 26px; align-items: center; }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th, table.data td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }
.inline-form select { width: auto; padding: 5px 8px; }
.empty { text-align: center; color: var(--muted); padding: 32px 0; font-family: var(--mono); }

footer { border-top: 1px solid var(--border); padding: 22px 0; color: var(--muted); font-size: .85rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }

/* EasyMDE dark tweaks */
.EasyMDEContainer .CodeMirror { background: var(--surface); color: var(--text); border-color: var(--border); }
.EasyMDEContainer .CodeMirror-cursor { border-color: var(--text); }
.editor-toolbar { background: var(--surface-2); border-color: var(--border); opacity: 1; }
.editor-toolbar button { color: var(--text) !important; }
.editor-toolbar button:hover, .editor-toolbar button.active { background: var(--border); border-color: var(--border); }
.editor-preview, .editor-preview-side { background: var(--surface); color: var(--text); }
.editor-statusbar { color: var(--muted); }

@media (max-width: 860px) {
  .hero, .split { grid-template-columns: 1fr; }
  .event { grid-template-columns: 44px 1fr; }
  .event img, .event .ph { width: 44px; height: 44px; }
  .event .when { grid-column: 2; text-align: left; }
  .brand small { display: none; }
}

/* tools directory */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.tool-card { display: flex; flex-direction: column; gap: 4px; color: var(--text); }
.tool-card:hover { text-decoration: none; border-color: var(--primary); }
.tool-card span { font-size: .88rem; }
a.chip.tool { color: var(--primary); }
a.chip.tool:hover { text-decoration: none; border-color: var(--primary); }
.flash.warn { color: var(--lv-medium, #d4a017); border-color: color-mix(in srgb, var(--lv-medium, #d4a017) 40%, transparent); background: color-mix(in srgb, var(--lv-medium, #d4a017) 8%, transparent); }
.danger-zone { border-color: color-mix(in srgb, var(--red) 45%, var(--border)); }

/* home: club hero (full-bleed band) */
.club-hero { margin: -28px calc(50% - 50vw) 0; padding: 44px 0 40px; border-bottom: 1px solid var(--border);
  background:
    radial-gradient(900px 420px at 85% 10%, color-mix(in srgb, var(--brand) 32%, transparent), transparent 70%),
    radial-gradient(700px 360px at 5% 100%, color-mix(in srgb, var(--red) 14%, transparent), transparent 70%),
    var(--surface); }
.club-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.club-kicker { font: 600 .82rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--primary); margin: 0 0 10px; }
.club-title { font-size: clamp(2.2rem, 4.6vw, 3.8rem); line-height: 1.08; margin: 0 0 16px; letter-spacing: -.02em; }
.club-title .hl { color: var(--primary); } .club-title .hl2 { color: var(--red); }
.club-hero .lead { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }
.club-join { margin: 16px 0 0; color: var(--muted); font-size: .92rem; }
.club-join a { font-weight: 600; margin-left: 10px; }
.club-card { background: color-mix(in srgb, var(--bg) 55%, transparent); border: 1px solid var(--border); border-radius: 16px;
  padding: 22px; box-shadow: var(--shadow); }
.club-logo { display: block; width: 100%; max-width: 360px; margin: 0 auto 18px; }
[data-theme="dark"] .club-logo { filter: drop-shadow(0 0 1px rgba(255,255,255,.6)); }
.club-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 10px; margin-bottom: 16px; }
.club-stats div { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.club-stats b { display: block; font: 700 1.5rem var(--mono); }
.club-stats span { color: var(--muted); font-size: .8rem; }
.club-card .terminal { box-shadow: none; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 26px 0 8px; }
.pillars div { border-left: 3px solid var(--primary); padding: 4px 0 4px 14px; }
.pillars div:nth-child(2) { border-color: var(--red); } .pillars div:nth-child(3) { border-color: var(--lv-medium, #d4a017); }
.pillars div:nth-child(4) { border-color: var(--green); }
.pillars b { font-size: 1.05rem; } .pillars p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
@media (max-width: 980px) {
  .club-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .pillars { grid-template-columns: 1fr; }
}
.club-card { position: relative; }
.ping { position: absolute; top: 12px; right: 14px; display: inline-flex; align-items: center; gap: 6px;
  font: 600 .74rem var(--mono); color: var(--muted); background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 3px 9px; }
.ping i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.ping.good i { background: #3ddc84; box-shadow: 0 0 0 0 rgba(61,220,132,.6); animation: ping-pulse 2s infinite; }
.ping.ok i { background: #febc2e; } .ping.bad i { background: #ff5f57; }
@keyframes ping-pulse { 70% { box-shadow: 0 0 0 7px rgba(61,220,132,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,132,0); } }
.club-stats .live b { color: #3ddc84; }
.club-stats-note { margin: -6px 0 12px; color: var(--muted); font-size: .76rem; }
.solve-log .log-line { animation: log-in .35s ease-out; }
@keyframes log-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ping.good i, .solve-log .log-line { animation: none; } }

/* form fields with a server/live validation error */
input.invalid, select.invalid, textarea.invalid { border-color: var(--red) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 18%, transparent); }
.field-error { color: var(--red); font-size: .85rem; margin: 4px 0 2px; }
.field-error::before { content: "✗ "; font-weight: 700; }
input.valid { border-color: color-mix(in srgb, var(--green) 60%, var(--border)); }

/* ===== class battle (/battle) : fighting-game VS screen ===== */
.arena { --blue: #2f8bff; --red: #ff3b47; position: relative; overflow: hidden; margin: -28px calc(50% - 50vw) 22px;
  padding: 26px max(16px, calc(50vw - 700px)) 30px; color: #e6edf3; isolation: isolate;
  background: linear-gradient(115deg, #06162e 0 49.6%, #2a0710 50.4% 100%); }
.arena::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 380px at 18% 60%, rgba(47,139,255,.35), transparent 70%),
    radial-gradient(600px 380px at 82% 60%, rgba(255,59,71,.32), transparent 70%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 3px); }
.arena::after { content: ""; position: absolute; top: -10%; bottom: -10%; left: 50%; width: 4px; z-index: -1;
  transform: skewX(-25deg); background: linear-gradient(#fff0, #fff, #fff0); box-shadow: 0 0 24px #fff; opacity: .55; }
.arena-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; }
.arena-tag { font: 800 .9rem var(--mono); letter-spacing: .3em; color: #ffe500; text-shadow: 0 0 12px rgba(255,229,0,.5); }
.arena-state { font: 700 .78rem var(--mono); letter-spacing: .15em; padding: 4px 10px; border: 1px solid #fff3; border-radius: 4px; }
.arena-state i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-right: 6px;
  animation: live-blink 1s steps(2) infinite; }
@keyframes live-blink { 50% { opacity: 0; } }
.hp { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; }
.hp-side { height: 22px; background: #0008; border: 2px solid #fff6; transform: skewX(-20deg); overflow: hidden; display: flex; }
.hp-side.left { justify-content: flex-end; }
.hp-fill { height: 100%; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.hp-side.left .hp-fill { background: linear-gradient(90deg, #0b4fb3, var(--blue), #9fd0ff); box-shadow: 0 0 18px var(--blue); }
.hp-side.right .hp-fill { background: linear-gradient(270deg, #a10d18, var(--red), #ffb3b8); box-shadow: 0 0 18px var(--red); }
.hp-clock { min-width: 120px; text-align: center; font-size: 1.35rem; font-weight: 800; color: #ffe500;
  background: #000a; border: 2px solid #ffe50088; padding: 2px 10px; border-radius: 6px; }
.versus { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin: 26px 0 18px; }
.fighter { text-align: center; position: relative; }
.crest { font-size: clamp(2.2rem, 6vw, 4.6rem); font-weight: 900; letter-spacing: .04em; line-height: 1; }
.fighter.blue .crest { color: #cfe5ff; text-shadow: 0 0 22px var(--blue), 0 0 2px #fff; }
.fighter.red .crest { color: #ffd6d9; text-shadow: 0 0 22px var(--red), 0 0 2px #fff; }
.fighter-name { font-weight: 700; letter-spacing: .12em; text-transform: uppercase; opacity: .85; margin-top: 6px; }
.score { font-size: clamp(2.6rem, 7vw, 5.4rem); font-weight: 900; line-height: 1.05; margin-top: 12px; }
.fighter.blue .score { color: #7fbcff; } .fighter.red .score { color: #ff8a92; }
.score-label { font-size: .8rem; letter-spacing: .3em; text-transform: uppercase; opacity: .7; }
.lead-tag { display: inline-block; margin-top: 10px; padding: 3px 12px; font-weight: 800; letter-spacing: .2em; color: #111;
  background: #ffe500; transform: skewX(-12deg); box-shadow: 0 0 18px rgba(255,229,0,.6); }
.fighter.winning .crest { animation: crest-pulse 2.4s ease-in-out infinite; }
@keyframes crest-pulse { 50% { filter: brightness(1.35); } }
.vs-mark span { position: relative; display: block; font: 900 clamp(3rem, 9vw, 7rem)/1 var(--mono); color: #fff;
  font-style: italic; text-shadow: 3px 3px 0 var(--red), -3px -3px 0 var(--blue); }
.vs-mark span::before, .vs-mark span::after { content: attr(data-text); position: absolute; inset: 0; overflow: hidden; }
.vs-mark span::before { color: var(--blue); clip-path: inset(0 0 55% 0); animation: glitch-a 2.6s infinite steps(1); }
.vs-mark span::after { color: var(--red); clip-path: inset(55% 0 0 0); animation: glitch-b 2.6s infinite steps(1); }
@keyframes glitch-a { 0%, 86%, 100% { transform: none; } 88% { transform: translate(-6px, -2px); } 92% { transform: translate(5px, 1px); } }
@keyframes glitch-b { 0%, 88%, 100% { transform: none; } 90% { transform: translate(6px, 2px); } 94% { transform: translate(-4px, -1px); } }
.duel-stats { max-width: 760px; margin: 0 auto; display: grid; gap: 6px; }
.duel-row { display: grid; grid-template-columns: 1fr 180px 1fr; align-items: center; text-align: center;
  background: #0006; border: 1px solid #ffffff1a; padding: 6px 12px; transform: skewX(-10deg); }
.duel-row > * { transform: skewX(10deg); }
.duel-row b { font-size: 1.25rem; } .duel-row b small { font-size: .75rem; opacity: .6; margin-left: 2px; }
.duel-row .l { color: #7fbcff; text-align: right; } .duel-row .r { color: #ff8a92; text-align: left; }
.duel-row span { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; opacity: .75; }

.battle-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; margin-bottom: 16px; }
.butterfly { display: grid; gap: 7px; }
.bf-row { display: grid; grid-template-columns: 44px 1fr 110px 1fr 44px; align-items: center; gap: 8px; }
.bf-row .bf-val:first-child { text-align: right; }
.bf-bar { height: 12px; background: var(--surface-2); border-radius: 3px; display: flex; overflow: hidden; }
.bf-bar.left { justify-content: flex-end; }
.bf-bar i { display: block; height: 100%; }
.bf-bar.left i { background: linear-gradient(90deg, #1d64c8, #4aa3ff); }
.bf-bar.right i { background: linear-gradient(90deg, #ff5a64, #b3121d); }
.bf-cat { text-align: center; justify-self: center; }
.killfeed .feed-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 360px; overflow: auto; font-size: .86rem; }
.killfeed li { padding: 6px 10px; border-left: 3px solid; background: var(--surface-2); border-radius: 0 6px 6px 0; }
.killfeed li.blue { border-color: #2f8bff; } .killfeed li.red { border-color: #ff3b47; }
.killfeed li.blue .kf-team { color: #4aa3ff; } .killfeed li.red .kf-team { color: #ff6b74; }
.kf-arrow { opacity: .6; } .kf-pts { color: var(--green); font-weight: 700; } .killfeed small { float: right; opacity: .6; }
.kf-blood { background: #b3121d; color: #fff; font-weight: 800; font-size: .7rem; padding: 1px 6px; border-radius: 3px; margin-right: 4px; }
.squad.blue { border-top: 3px solid #2f8bff; } .squad.red { border-top: 3px solid #ff3b47; }
.squad-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.squad-list li { display: flex; align-items: center; gap: 10px; padding: 6px 4px; border-bottom: 1px dashed var(--border); }
.squad-list li b { margin-left: auto; } .squad-list .rk { width: 22px; text-align: center; font-weight: 800; opacity: .7; }
.squad-list li:first-child .rk { color: #ffe500; opacity: 1; }
.hall { margin: 4px 0 18px; }
.hall-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.award { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; overflow: hidden; }
.award::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--muted); }
.award.blue::before { background: #2f8bff; } .award.red::before { background: #ff3b47; }
.award.mvp { box-shadow: 0 0 0 1px #ffe50055, 0 0 28px #ffe5001f; } .award.mvp .award-title { color: #ffe500; }
.award-title { font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .82rem; color: var(--primary); }
.award.wrong .award-title { color: #ff8a92; } .award.lazy .award-title { color: var(--muted); }
.award-who { display: flex; align-items: center; gap: 8px; margin: 10px 0 4px; font-weight: 700; font-size: 1.05rem; }
.award-val b { font-size: 1.3rem; } .award-note { color: var(--muted); font-size: .8rem; margin-top: 6px; }
.lazy-side { margin-top: 8px; font-size: .9rem; } .lazy-side .mono { font-weight: 800; margin-right: 6px; }
.lazy-side.blue .mono { color: #4aa3ff; } .lazy-side.red .mono { color: #ff6b74; }
.battle-rules { font-size: .85rem; }
.nav-battle { color: #ff6b74 !important; font-weight: 700; }

/* home strip */
.battle-strip { display: grid; grid-template-columns: auto 1fr auto 1fr auto; grid-template-areas: "tag l score r mvp" "bar bar bar bar bar";
  align-items: center; gap: 6px 16px; margin: 22px 0 6px; padding: 14px 18px; border-radius: 12px; color: #e6edf3;
  background: linear-gradient(115deg, #06162e 0 49.5%, #2a0710 50.5%); border: 1px solid #ffffff1f; }
.battle-strip:hover { text-decoration: none; box-shadow: 0 0 0 1px #ffe50066; }
.bs-tag { color: #ffe500; font-weight: 800; letter-spacing: .18em; font-size: .8rem; }
.bs-side.blue { text-align: right; }
.bs-side small { opacity: .7; } .bs-side.blue b { color: #7fbcff; } .bs-side.red b { color: #ff8a92; }
.bs-score { font-size: 1.5rem; font-weight: 900; } .bs-score i { font-size: .9rem; margin: 0 8px; opacity: .8; }
.bs-score .blue { color: #7fbcff; } .bs-score .red { color: #ff8a92; }
.bs-bar { display: flex; height: 6px; border-radius: 3px; overflow: hidden; background: #0008; }
.bs-bar .blue { background: #2f8bff; } .bs-bar .red { background: #ff3b47; margin-left: auto; }
.bs-mvp { font-size: .88rem; opacity: .9; }
@media (max-width: 760px) {
  .versus { grid-template-columns: 1fr; }
  .duel-row { grid-template-columns: 1fr 120px 1fr; }
  .battle-strip { grid-template-columns: 1fr auto 1fr; grid-template-areas: "tag tag tag" "l score r" "bar bar bar" "mvp mvp mvp"; text-align: center; }
  .bf-row { grid-template-columns: 32px 1fr 84px 1fr 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .vs-mark span::before, .vs-mark span::after, .fighter.winning .crest, .arena-state i { animation: none; }
}

/* battle over: the winner lifts the cup, the loser goes down */
.trophy { display: block; width: clamp(70px, 9vw, 120px); margin: 0 auto 8px; filter: drop-shadow(0 0 18px rgba(255,210,63,.7));
  animation: cup-rise 1.1s cubic-bezier(.2,1.4,.4,1) both, cup-shine 2.4s 1.2s ease-in-out infinite; }
@keyframes cup-rise { from { transform: translateY(40px) scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes cup-shine { 50% { filter: drop-shadow(0 0 34px rgba(255,229,0,.95)); transform: translateY(-4px); } }
.fighter.winner .crest { color: #fff6c2 !important; text-shadow: 0 0 26px #ffd23f, 0 0 4px #fff !important; }
.fighter.winner .lead-tag { font-size: 1.15rem; padding: 5px 18px; }
.fighter.loser > :not(.ko-stamp) { filter: grayscale(.95) brightness(.6); }
.fighter.loser { transform-origin: 50% 100%;
  animation: knocked-down 1.4s .5s cubic-bezier(.5,0,.75,0) both; }
@keyframes knocked-down {
  0% { transform: none; }
  25% { transform: translateX(-6px) rotate(-3deg); }
  45% { transform: translateX(6px) rotate(4deg); }
  100% { transform: translateY(18px) rotate(var(--fall, 9deg)) scale(.92); }
}
.fighter.blue.loser { --fall: -9deg; }
.ko-stamp { position: absolute; z-index: 2; top: 30%; left: 50%; font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 900;
  color: #ff2b38; border: 6px solid #ff2b38; padding: 0 16px; border-radius: 8px; letter-spacing: .08em;
  transform: translate(-50%, -50%) rotate(-14deg); filter: none; text-shadow: 0 0 14px #000;
  animation: ko-slam .5s 1.6s cubic-bezier(.2,1.6,.4,1) both; }
@keyframes ko-slam { from { transform: translate(-50%, -50%) rotate(-14deg) scale(3); opacity: 0; } to { opacity: 1; } }
.lose-tag { display: inline-block; margin-top: 10px; padding: 3px 12px; font-weight: 800; letter-spacing: .2em;
  color: #ddd; background: #444; transform: skewX(-12deg); }
.fighter.draw .crest { color: #e6edf3 !important; }
.confetti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 3; }
.confetti i { position: absolute; top: -12px; width: 8px; height: 14px; opacity: .95; animation: confetti-fall linear forwards; }
@keyframes confetti-fall { to { transform: translateY(110vh) rotate(720deg); opacity: .2; } }
@media (prefers-reduced-motion: reduce) {
  .trophy, .fighter.loser, .ko-stamp { animation: none; }
  .fighter.loser { transform: translateY(18px) rotate(var(--fall, 9deg)) scale(.92); }
  .confetti { display: none; }
}

/* ===== battle v2: battlefield units, LED stats, momentum, hall of fame, home skirmish ===== */
.arena-admin { font-size: .75rem; color: #ffe500; border: 1px dashed #ffe50088; padding: 3px 8px; border-radius: 4px; margin-left: auto; margin-right: 10px; }
.battlefield { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 18px; padding: 18px 0 8px;
  border-top: 1px solid #ffffff1a; }
.battlefield::after { content: ""; position: absolute; left: 0; right: 0; bottom: 30px; height: 2px; pointer-events: none;
  background: linear-gradient(90deg, transparent, #2f8bff88 20%, #ffffff55 50%, #ff3b4788 80%, transparent); }
.squad-field { display: flex; flex-wrap: wrap; align-content: flex-end; gap: 4px 2px; min-height: 110px; }
.squad-field:not(.mirror) { justify-content: flex-end; }
.squad-field.blue { color: #2f8bff; } .squad-field.red { color: #ff3b47; }
.unit { margin: 0; width: 88px; text-align: center; position: relative; }
.unit .sprite { position: relative; width: 88px; height: 79px; }
.squad-field.mirror .sprite { transform: scaleX(-1); }
.unit svg { width: 88px; height: 79px; display: block; overflow: visible; }
.unit.online svg { animation: breathe 2.2s ease-in-out infinite; transform-origin: 50% 100%; filter: drop-shadow(0 0 6px currentColor); }
.unit.offline svg { opacity: .78; }
@keyframes breathe { 50% { transform: translateY(-1px) scaleY(1.015); } }
.unit figcaption { font: 600 .68rem var(--mono); color: #cfd8e6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: -2px; }
.unit figcaption small { display: block; color: #ffe500; font-size: .66rem; }
.unit.offline figcaption { color: #8090a8; }
/* rifle laser, muzzle flash and tracer: positioned at the barrel tip (x≈99, y≈38 of 100x90) */
.unit .laser { position: absolute; left: 87px; top: 33px; width: 60px; height: 1px; background: linear-gradient(90deg, #ff2b38, transparent); opacity: .55; }
.unit .flash { position: absolute; left: 83px; top: 28px; width: 12px; height: 10px; border-radius: 50%;
  background: radial-gradient(#fff, #ffe500 40%, #ff7a00 70%, transparent 72%); opacity: 0; animation: muzzle 5s infinite; }
.unit .tracer { position: absolute; left: 90px; top: 32.5px; width: 26px; height: 2px; border-radius: 2px; opacity: 0;
  background: linear-gradient(90deg, transparent, #ffe500); animation: tracer 5s infinite; }
@keyframes muzzle { 0%, 3%, 100% { opacity: 0; transform: scale(.4); } 1% { opacity: 1; transform: scale(1.2); } }
@keyframes tracer { 0% { opacity: 0; transform: translateX(0); } 1% { opacity: 1; } 8% { opacity: 1; transform: translateX(140px); } 9%, 100% { opacity: 0; transform: translateX(140px); } }
.unit .zz { position: absolute; left: 10px; top: 34px; font: 800 .8rem var(--mono); color: #9fb4d6; animation: zz-float 3s ease-in infinite; }
.squad-field.mirror .zz { transform: scaleX(-1); }
.unit .zz b { font-size: .95em; margin-left: 2px; } .unit .zz em { font-style: normal; font-size: 1.1em; margin-left: 2px; }
@keyframes zz-float { 0% { opacity: 0; translate: 0 6px; } 30% { opacity: 1; } 100% { opacity: 0; translate: 10px -18px; } }
.empty-field { opacity: .7; font-size: .9rem; align-self: center; }
.field-legend { text-align: center; font-size: .8rem; opacity: .75; margin: 6px 0 0; }
.field-legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin: 0 4px 0 10px; }
.field-legend .dot.on { background: #3ddc84; box-shadow: 0 0 6px #3ddc84; } .field-legend .dot.off { background: #6b7a92; }

/* LED comparison board */
.stat-board { background: linear-gradient(180deg, #0a1222, #0b0f1a); color: #e6edf3; border: 1px solid #1d2b47; border-radius: 16px;
  padding: 20px 22px; margin-bottom: 18px; box-shadow: inset 0 0 60px #0008; }
.stat-head { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; margin-bottom: 12px; }
.stat-head h2 { margin: 0; font-size: 1.1rem; letter-spacing: .25em; text-transform: uppercase; }
.stat-head .blue-t { text-align: left; } .stat-head .red-t { text-align: right; }
.blue-t { color: #4aa3ff; font-style: normal; } .red-t { color: #ff6b74; font-style: normal; }
.stat-row { display: grid; grid-template-columns: 70px 1fr 150px 1fr 70px; align-items: center; gap: 10px; padding: 5px 0; }
.stat-row .sl { text-align: center; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: #9fb0c8; }
.stat-row .sv { font-size: 1.15rem; } .stat-row .sv.l { text-align: right; } .stat-row .sv.r { text-align: left; }
.stat-row .sv.win { color: #ffe500; text-shadow: 0 0 10px #ffe50088; }
.led { position: relative; height: 16px; background: #ffffff0d; display: flex; overflow: hidden;
  -webkit-mask: repeating-linear-gradient(90deg, #000 0 9px, transparent 9px 12px); mask: repeating-linear-gradient(90deg, #000 0 9px, transparent 9px 12px); }
.led.left { justify-content: flex-end; }
.led i { display: block; height: 100%; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.led.left i { background: linear-gradient(90deg, #0b3f8f, #2f8bff); } .led.right i { background: linear-gradient(90deg, #ff3b47, #8f0b16); }
.led.win.left i { background: linear-gradient(90deg, #1d64c8, #7fc0ff); box-shadow: 0 0 14px #2f8bff; }
.led.win.right i { background: linear-gradient(90deg, #ff8a92, #c8121d); box-shadow: 0 0 14px #ff3b47; }
.momentum-title { margin: 18px 0 6px; font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: #9fb0c8; }
.momentum { width: 100%; height: 140px; display: block; }
.momentum .mid { stroke: #ffffff40; stroke-width: 1; }
.momentum .up { fill: #2f8bff; } .momentum .down { fill: #ff3b47; }
.momentum rect { opacity: .9; } .momentum rect:hover { opacity: 1; filter: brightness(1.3); }
.momentum-axis { display: flex; justify-content: space-between; font-size: .72rem; color: #8090a8; }

/* hall of fame */
.hall-title { text-align: center; margin: 6px 0 16px; }
.hall-title span { display: inline-block; padding: 6px 26px; letter-spacing: .3em; text-transform: uppercase; font-size: 1.05rem;
  background: linear-gradient(90deg, transparent, #ffd23f22, transparent); border-top: 1px solid #ffd23f66; border-bottom: 1px solid #ffd23f66; color: #ffd23f; }
.hall-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.hof { --c: #6b7a92; position: relative; text-align: center; padding: 46px 16px 18px; border-radius: 16px; overflow: hidden;
  background: radial-gradient(260px 160px at 50% 0, color-mix(in srgb, var(--c) 28%, transparent), transparent 70%), linear-gradient(180deg, #0d1626, #0a0f1a);
  border: 1px solid color-mix(in srgb, var(--c) 45%, #1d2b47); color: #e6edf3; }
.hof.blue { --c: #2f8bff; } .hof.red { --c: #ff3b47; } .hof.mvp { --c: #ffd23f; } .hof.lazy { --c: #8090a8; text-align: left; }
.hof-ribbon { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 18px; font-weight: 800; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap;
  color: #0b0f1a; background: var(--c); clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 8px 100%, 0 50%); }
.hof.mvp .hof-ribbon { background: linear-gradient(90deg, #c88a00, #ffe58a, #c88a00); }
.hof-ribbon svg { width: 15px; height: 15px; }
.hof-avatar { width: 92px; height: 92px; margin: 6px auto 10px; border-radius: 50%; padding: 4px; display: grid; place-items: center;
  background: conic-gradient(from 0deg, var(--c), transparent 40%, var(--c) 60%, transparent, var(--c)); animation: ring-spin 6s linear infinite; }
.hof-avatar > * { animation: ring-spin 6s linear infinite reverse; width: 84px !important; height: 84px !important; font-size: 2rem !important; }
.hof-avatar.empty { font-size: 2rem; color: #6b7a92; background: #ffffff0d; animation: none; }
@keyframes ring-spin { to { transform: rotate(360deg); } }
.hof-name { display: block; font-weight: 800; font-size: 1.15rem; color: #fff; }
.hof-team { font-size: .78rem; color: var(--c); letter-spacing: .1em; }
.hof-stat { margin-top: 10px; } .hof-stat b { font-size: 2.1rem; color: var(--c); text-shadow: 0 0 16px color-mix(in srgb, var(--c) 50%, transparent); }
.hof-stat span { display: block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: #9fb0c8; }
.hof-note { margin-top: 10px; font-size: .82rem; color: #9fb0c8; font-style: italic; }
.hof.lazy .hof-note { text-align: center; }
.camp { margin-top: 10px; padding: 8px 10px; border-radius: 10px; background: #ffffff08; }
.camp-head { display: flex; justify-content: space-between; font-weight: 800; }
.camp.blue .camp-head span { color: #4aa3ff; } .camp.red .camp-head span { color: #ff6b74; }
.camp-sleepers { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: flex-end; margin-top: 4px; }
.camp.blue .camp-sleepers { color: #2f8bff; } .camp.red .camp-sleepers { color: #ff3b47; }
.mini-sleep { display: inline-flex; flex-direction: column; align-items: center; width: 52px; }
.mini-sleep svg { width: 50px; height: 45px; opacity: .8; }
.mini-sleep small { font: .62rem var(--mono); color: #9fb0c8; max-width: 52px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.camp .more { color: #9fb0c8; font-size: .8rem; }

.battle-rules { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-top: 4px; }
.battle-rules h3 { margin: 0 0 6px; font-size: .9rem; letter-spacing: .15em; text-transform: uppercase; }
.battle-rules ul { margin: 0; padding-left: 18px; color: var(--muted); }

/* home: the battle strip is a small skirmish */
.battle-strip { position: relative; overflow: hidden; display: block; padding: 0; margin: 24px 0 8px; border-radius: 14px; color: #e6edf3;
  background: linear-gradient(115deg, #06162e 0 49.5%, #2a0710 50.5%); border: 1px solid #ffffff24; box-shadow: 0 10px 40px #0006; }
.battle-strip::before { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(400px 200px at 20% 100%, #2f8bff44, transparent 70%), radial-gradient(400px 200px at 80% 100%, #ff3b4744, transparent 70%),
    repeating-linear-gradient(0deg, #ffffff08 0 1px, transparent 1px 3px); }
.battle-strip:hover { text-decoration: none; box-shadow: 0 0 0 1px #ffe50088, 0 10px 40px #0008; }
.bs-head { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; padding: 14px 18px 0; }
.bs-tag { grid-column: 1 / -1; justify-self: center; color: #ffe500; font: 800 .78rem var(--mono); letter-spacing: .3em;
  text-shadow: 0 0 10px #ffe50088; animation: live-blink 1.6s steps(2) infinite; }
.bs-side { font-weight: 700; } .bs-side small { display: block; opacity: .7; font-weight: 500; }
.bs-side.blue { text-align: right; } .bs-side.blue b { color: #7fbcff; font-size: 1.3rem; } .bs-side.red b { color: #ff8a92; font-size: 1.3rem; }
.bs-score { font: 900 2.2rem/1 var(--mono); white-space: nowrap; }
.bs-score .blue { color: #7fbcff; text-shadow: 0 0 14px #2f8bff; } .bs-score .red { color: #ff8a92; text-shadow: 0 0 14px #ff3b47; }
.bs-score i { font-size: 1rem; margin: 0 10px; font-style: italic; color: #fff; text-shadow: 2px 2px 0 #ff3b47, -2px -2px 0 #2f8bff; }
.bs-bar { position: relative; z-index: 2; display: flex; height: 6px; margin: 10px 18px 0; border-radius: 3px; overflow: hidden; background: #0008; }
.bs-bar .blue { background: #2f8bff; box-shadow: 0 0 10px #2f8bff; } .bs-bar .red { background: #ff3b47; margin-left: auto; box-shadow: 0 0 10px #ff3b47; }
.skirmish { position: relative; z-index: 1; height: 96px; margin-top: 4px; }
.skirmish::after { content: ""; position: absolute; left: 0; right: 0; bottom: 14px; height: 1px; background: #ffffff22; }
.trooper { position: absolute; bottom: 12px; left: var(--x); width: 56px; height: 50px; animation: patrol var(--d) ease-in-out var(--delay) infinite alternate; }
.trooper.blue { color: #2f8bff; } .trooper.red { color: #ff3b47; }
.trooper .flip { width: 100%; height: 100%; }
.trooper.red .flip { transform: scaleX(-1); }
.trooper svg { width: 100%; height: 100%; display: block; overflow: visible; filter: drop-shadow(0 0 5px currentColor); }
.trooper .run { display: none; }
.trooper .pose { animation: hop .45s ease-in-out infinite; transform-origin: 50% 100%; }
@keyframes hop { 50% { transform: translateY(-3px); } }
@keyframes patrol { from { transform: translateX(calc(var(--range) * -1)); } to { transform: translateX(var(--range)); } }
.trooper .shot { position: absolute; left: 52px; top: 20px; width: 9px; height: 8px; border-radius: 50%; opacity: 0;
  background: radial-gradient(#fff, #ffe500 40%, #ff7a00 70%, transparent 72%); animation: muzzle var(--fire) var(--delay) infinite; }
.bullet { position: absolute; height: 2px; width: 30px; top: var(--y); border-radius: 2px; opacity: 0; z-index: 1; }
.bullet.ltr { left: 12%; background: linear-gradient(90deg, transparent, #9fd0ff, #fff); animation: fly-ltr var(--t) linear var(--delay) infinite; }
.bullet.rtl { right: 12%; background: linear-gradient(270deg, transparent, #ffb3b8, #fff); animation: fly-rtl var(--t) linear var(--delay) infinite; }
@keyframes fly-ltr { 0% { opacity: 0; transform: translateX(0); } 5% { opacity: 1; } 60% { opacity: 1; transform: translateX(70vw); } 61%, 100% { opacity: 0; transform: translateX(70vw); } }
@keyframes fly-rtl { 0% { opacity: 0; transform: translateX(0); } 5% { opacity: 1; } 60% { opacity: 1; transform: translateX(-70vw); } 61%, 100% { opacity: 0; transform: translateX(-70vw); } }
.spark { position: absolute; left: var(--x); top: var(--y); width: 26px; height: 26px; border-radius: 50%; opacity: 0; z-index: 1;
  background: radial-gradient(#fff 0 15%, #ffe500 30%, #ff7a00 55%, transparent 70%); animation: boom var(--t) ease-out var(--delay) infinite; }
@keyframes boom { 0%, 70% { opacity: 0; transform: scale(.2); } 74% { opacity: 1; transform: scale(1.3); } 82%, 100% { opacity: 0; transform: scale(1.9); } }
.bs-foot { position: relative; z-index: 2; display: flex; justify-content: space-between; gap: 10px; padding: 0 18px 12px; font-size: .86rem; }
.bs-foot b { color: #ffe500; } .bs-cta { font-weight: 700; color: #fff; }
@media (max-width: 760px) {
  .battlefield { grid-template-columns: 1fr; gap: 10px; } .squad-field:not(.mirror) { justify-content: flex-start; }
  .stat-row { grid-template-columns: 52px 1fr 92px 1fr 52px; gap: 6px; } .stat-row .sl { font-size: .62rem; letter-spacing: .06em; }
  .bs-score { font-size: 1.5rem; } .bs-side b { font-size: 1rem !important; }
}
@media (prefers-reduced-motion: reduce) {
  .unit svg, .unit .flash, .unit .tracer, .unit .zz, .hof-avatar, .hof-avatar > *, .trooper, .trooper .pose, .trooper .shot, .bullet, .spark, .bs-tag { animation: none !important; }
  .bullet, .spark { display: none; }
}
.bs-head > * { grid-area: auto; }
.bs-head .bs-tag { grid-column: 1 / -1; }
.skirmish { height: 116px; }
.trooper { width: 66px; height: 59px; }
.trooper .shot { left: 62px; top: 23px; }

/* rulers (queen / king) shouting orders behind their troops */
.battlefield { grid-template-columns: auto 1fr 1fr auto; gap: 18px; }
.battlefield .squad-field { order: 1; } .battlefield .squad-field.mirror { order: 2; } .battlefield .ruler.mirror { order: 3; }
.ruler { position: relative; width: 132px; text-align: center; align-self: end; }
.ruler.blue { color: #2f8bff; } .ruler.red { color: #ff3b47; }
.ruler-sprite > svg:first-child { width: 120px; height: 144px; display: block; margin: 0 auto; overflow: visible;
  filter: drop-shadow(0 0 10px currentColor) drop-shadow(0 0 2px #ffd23f); animation: rally 1.6s ease-in-out infinite; transform-origin: 40% 100%; }
.ruler.mirror .ruler-sprite > svg:first-child { transform: scaleX(-1); }
@keyframes rally { 50% { transform: translateY(-3px) rotate(-1.5deg); } }
.ruler-plate { margin-top: 4px; line-height: 1.2; }
.ruler-plate span { display: block; font-size: .64rem; letter-spacing: .22em; color: #ffd23f; }
.ruler-plate b { font-size: .82rem; color: #fff; }
.shout { position: absolute; z-index: 4; bottom: calc(100% - 6px); left: 50%; translate: -50% 0; white-space: nowrap;
  background: #fff; color: #0b0f1a; font-weight: 900; font-size: .86rem; padding: 6px 12px; border-radius: 12px;
  border: 3px solid #0b0f1a; box-shadow: 3px 3px 0 currentColor; opacity: 0; }
.shout::after { content: ""; position: absolute; top: 100%; left: 46%; border: 8px solid transparent; border-top-color: #0b0f1a; }
.ruler.blue .shout { left: 60%; } .ruler.red .shout { left: 40%; }
.shout.on { animation: shout-pop 2.8s ease-out both; }
@keyframes shout-pop {
  0% { opacity: 0; transform: scale(.4) rotate(-6deg); }
  8% { opacity: 1; transform: scale(1.12) rotate(3deg); }
  12%, 18% { transform: scale(1) rotate(-2deg) translateX(-2px); }
  15% { transform: scale(1) rotate(2deg) translateX(2px); }
  85% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(.9) translateY(-6px); }
}
/* home skirmish: rulers at the outer edges */
.skirmish .ruler.small { position: absolute; bottom: 10px; width: 70px; z-index: 2; }
.skirmish .ruler.small:not(.mirror) { left: 0; } .skirmish .ruler.small.mirror { right: 0; }
.ruler.small .ruler-sprite > svg:first-child { width: 64px; height: 77px; }
.ruler.small .shout { font-size: .72rem; padding: 4px 9px; bottom: calc(100% + 2px); }
.ruler.small.blue .shout { left: 105%; } .ruler.small.red .shout { left: -5%; }
@media (max-width: 760px) {
  .battlefield { grid-template-columns: auto 1fr; }
  .battlefield .squad-field.mirror { order: 4; } .battlefield .ruler.mirror { order: 3; }
}
@media (prefers-reduced-motion: reduce) { .ruler-sprite svg, .shout.on { animation: none; } .shout.on { opacity: 1; } }

/* the member's profile avatar is the unit's head (sprite 88x79; head centre: standing 36,18 / asleep 21,60) */
.unit .head { position: absolute; z-index: 2; width: 24px; height: 24px; left: 24px; top: 5px; pointer-events: none; }
.unit.offline .head { left: 9px; top: 48px; }
.squad-field.mirror .unit .head { left: 40px; }
.squad-field.mirror .unit.offline .head { left: 55px; }
.unit .head .avatar { width: 24px !important; height: 24px !important; font-size: .7rem !important; line-height: 20px;
  border: 2px solid currentColor; border-radius: 50%; box-shadow: 0 0 6px currentColor; object-fit: cover; display: grid; place-items: center; }
.unit.offline .head .avatar { filter: grayscale(.4) brightness(.85); }
.battlefield .ruler.blue .shout { left: 92%; } .battlefield .ruler.red .shout { left: 8%; }

/* ===== battle v3: territory by score, warlord heads, lightning, hits ===== */
.arena { --split: 50%; background: linear-gradient(115deg, #06162e 0 calc(var(--split) - .4%), #2a0710 calc(var(--split) + .4%) 100%);
  transition: background .8s; }
.arena::after { left: var(--split); }
.battlefield { grid-template-columns: auto var(--lfr, 1fr) var(--rfr, 1fr) auto; }
.battle-strip { --split: 50%; background: linear-gradient(115deg, #06162e 0 calc(var(--split) - .5%), #2a0710 calc(var(--split) + .5%)); }
.battle-strip .bs-bar .blue { width: var(--split) !important; } .battle-strip .bs-bar .red { width: calc(100% - var(--split)) !important; }

/* warlord: the photo is the head (sprite 120x144, head centre 52.8,36), crowned with iron spikes */
.ruler-sprite { position: relative; width: 120px; margin: 0 auto; }
.ruler-face { position: absolute; z-index: 2; left: 37px; top: 20px; width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
  border: 2px solid #1a1c22; box-shadow: 0 0 0 2px currentColor, 0 0 14px #ff1a2a, 0 0 26px #ff1a2a88; }
.ruler.mirror .ruler-face { left: 51px; transform: scaleX(-1); }
.ruler-crown { position: absolute; z-index: 3; left: 36px; top: 4px; width: 34px; height: 21px; filter: drop-shadow(0 0 4px #ff1a2a); }
.ruler.mirror .ruler-crown { left: 50px; }
.ruler-sprite svg:first-child { filter: drop-shadow(0 0 8px #ff1a2a) drop-shadow(0 0 3px currentColor); }
.ruler.small .ruler-sprite { width: 64px; }
.ruler.small .ruler-face { left: 19.7px; top: 10.7px; width: 17px; height: 17px; border-width: 1px; }
.ruler.small.mirror .ruler-face { left: 27.3px; }
.ruler.small .ruler-crown { left: 19px; top: 2px; width: 18px; height: 11px; }
.ruler.small.mirror .ruler-crown { left: 27px; }

/* lightning: a bolt drawn by JS plus a white flash over the whole arena */
.fx-layer { position: absolute; inset: 0; pointer-events: none; z-index: 5; overflow: hidden; }
.bolt { position: absolute; top: 0; height: 100%; width: 90px; filter: drop-shadow(0 0 6px #bfe0ff) drop-shadow(0 0 18px #7fbcff); animation: bolt .55s ease-out forwards; }
.bolt polyline { fill: none; stroke: #f4fbff; stroke-width: 3; stroke-linejoin: bevel; }
.bolt polyline.branch { stroke-width: 1.6; opacity: .8; }
@keyframes bolt { 0% { opacity: 0; } 8% { opacity: 1; } 20% { opacity: .2; } 30% { opacity: 1; } 100% { opacity: 0; } }
.thunder-flash { position: absolute; inset: 0; background: #dff0ff; mix-blend-mode: screen; animation: tflash .5s ease-out forwards; }
@keyframes tflash { 0% { opacity: 0; } 10% { opacity: .55; } 25% { opacity: .1; } 35% { opacity: .4; } 100% { opacity: 0; } }
.arena.shake, .battle-strip.shake { animation: quake .45s; }
@keyframes quake { 20% { transform: translate(-3px, 1px); } 40% { transform: translate(3px, -2px); } 60% { transform: translate(-2px, 2px); } 80% { transform: translate(2px, -1px); } }
.scorch { position: absolute; bottom: 30px; width: 60px; height: 14px; border-radius: 50%;
  background: radial-gradient(#ffb36b, #ff3b0088 40%, transparent 70%); animation: scorch 1.6s ease-out forwards; }
@keyframes scorch { 0% { opacity: 1; transform: scale(.4); } 30% { transform: scale(1.3); } 100% { opacity: 0; transform: scale(1.6); } }

/* hits: the unit flinches red, blood spatters, a damage number floats up */
.unit.hit .sprite, .trooper.hit .flip { animation: flinch .5s; }
.unit.hit svg, .trooper.hit svg { filter: drop-shadow(0 0 8px #ff1a2a) brightness(1.6) sepia(1) hue-rotate(-50deg) saturate(6) !important; }
@keyframes flinch { 15% { transform: translateX(-5px) rotate(-6deg); } 35% { transform: translateX(4px) rotate(4deg); } 60% { transform: translateX(-2px); } }
.squad-field.mirror .unit.hit .sprite { animation-name: flinch-m; }
@keyframes flinch-m { 0%, 100% { transform: scaleX(-1); } 15% { transform: scaleX(-1) translateX(-5px) rotate(-6deg); } 35% { transform: scaleX(-1) translateX(4px) rotate(4deg); } }
.dmg { position: absolute; z-index: 6; font: 900 1.05rem var(--mono); color: #ff3b47; pointer-events: none;
  text-shadow: 0 0 2px #000, 0 0 8px #ff1a2a; animation: dmg-up 1.1s ease-out forwards; }
.dmg.crit { color: #ffe500; font-size: 1.35rem; text-shadow: 0 0 2px #000, 0 0 10px #ff7a00; }
@keyframes dmg-up { 0% { opacity: 0; transform: translateY(6px) scale(.6); } 15% { opacity: 1; transform: translateY(0) scale(1.25); } 100% { opacity: 0; transform: translateY(-36px) scale(1); } }
.blood { position: absolute; z-index: 5; width: 5px; height: 5px; border-radius: 50%; background: #c8101e; pointer-events: none;
  animation: splat .7s ease-out forwards; }
@keyframes splat { to { transform: translate(var(--dx), var(--dy)); opacity: 0; } }
.hitmark { position: absolute; z-index: 6; width: 18px; height: 18px; pointer-events: none; animation: hitmark .35s ease-out forwards;
  background: linear-gradient(45deg, transparent 44%, #fff 44% 56%, transparent 56%), linear-gradient(-45deg, transparent 44%, #fff 44% 56%, transparent 56%); }
@keyframes hitmark { from { transform: scale(1.6); opacity: 1; } to { transform: scale(.8); opacity: 0; } }
/* extra crossfire over the arena battlefield */
.battlefield .bullet { z-index: 3; }
@media (prefers-reduced-motion: reduce) { .fx-layer, .dmg, .blood, .hitmark { display: none; } .arena.shake, .battle-strip.shake { animation: none; } }

/* front line (online, near the centre) and rear (asleep, on the ground by the ruler) */
.squad-field { flex-wrap: nowrap; align-items: flex-end; justify-content: space-between !important; gap: 10px; }
.squad-field.mirror { flex-direction: row-reverse; }
.squad-field .rear, .squad-field .front { display: flex; flex-wrap: wrap-reverse; align-items: flex-end; gap: 0 2px; }
.squad-field .front { justify-content: flex-end; flex: 1 1 auto; }
.squad-field .rear { justify-content: flex-start; flex: 0 1 auto; max-width: 55%; }
.squad-field.mirror .front { justify-content: flex-start; } .squad-field.mirror .rear { justify-content: flex-end; }
.squad-field .rear .unit { width: 80px; margin-bottom: -4px; }
.squad-field .rear .unit .sprite { height: 72px; }

/* crowded or squeezed territory: soldiers stand shoulder to shoulder (overlapping) instead of stacking up */
.squad-field .rear, .squad-field .front { flex-wrap: nowrap; min-width: 0; }
.squad-field .unit { flex: 0 1 88px; min-width: 30px; }
.squad-field .rear .unit { flex-basis: 80px; }
.squad-field .unit:hover { z-index: 5; }
.squad-field .unit figcaption { max-width: 88px; }
.ruler.mirror .ruler-face { transform: none; }
/* home strip on narrow screens: score on top, the two sides below */
@media (max-width: 640px) {
  .bs-head { grid-template-columns: 1fr 1fr; }
  .bs-head .bs-score { grid-column: 1 / -1; order: -1; justify-self: center; font-size: 1.8rem; }
  .bs-head .bs-tag { order: -2; }
  .bs-side.blue { text-align: left; } .bs-side.red { text-align: right; }
  .skirmish .ruler.small .shout { display: none; }
}
.battlefield { grid-template-columns: auto minmax(0, var(--lfr, 1fr)) minmax(0, var(--rfr, 1fr)) auto; }
.squad-field { min-width: 0; }
/* online soldiers patrol their own ground; the battlefield clips them to their half */
.squad-field .front .unit { animation: patrol-u var(--pd, 3s) ease-in-out var(--pdelay, 0s) infinite alternate; }
@keyframes patrol-u { from { transform: translateX(calc(var(--pr, 16px) * -1)); } to { transform: translateX(var(--pr, 16px)); } }
.squad-field .front .unit .sprite svg { animation: breathe 2.2s ease-in-out infinite, step-bob .5s ease-in-out infinite; }
@keyframes step-bob { 50% { translate: 0 -2px; } }
.squad-field { overflow: visible; }
@media (prefers-reduced-motion: reduce) { .squad-field .front .unit, .squad-field .front .unit .sprite svg { animation: none; } }
/* status light in front of each soldier's name, same colours as the legend */
.unit figcaption .st { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 4px; vertical-align: 1px; background: #6b7a92; }
.unit figcaption .st.on { background: #3ddc84; box-shadow: 0 0 6px #3ddc84; animation: st-pulse 1.6s ease-in-out infinite; }
@keyframes st-pulse { 50% { box-shadow: 0 0 1px #3ddc84; } }

/* ruler size and face size from the admin settings (--ks whole figure, --fs the photo); head centre of the
   120x144 sprite is (52.8, 36), mirrored (67.2, 36); the small home version is 64x77 -> (28.2, 19.2) */
.ruler { --ks: 1; --fs: 1.4; width: calc(132px * var(--ks)); }
.ruler-sprite { transform: scale(var(--ks)); transform-origin: 50% 100%; margin-top: calc(144px * (var(--ks) - 1)); }
.ruler .ruler-face { --d: calc(32px * var(--fs)); width: var(--d); height: var(--d); left: calc(52.8px - var(--d) / 2); top: calc(36px - var(--d) / 2); }
.ruler.mirror .ruler-face { left: calc(67.2px - var(--d) / 2); }
.ruler .ruler-crown { --cw: calc(var(--d, 32px) * 1.08); width: var(--cw); height: calc(var(--cw) * .6);
  left: calc(52.8px - var(--cw) / 2); top: calc(36px - var(--d) / 2 - var(--cw) * .42); }
.ruler.mirror .ruler-crown { left: calc(67.2px - var(--cw) / 2); }
.ruler .ruler-crown { --d: calc(32px * var(--fs)); }
.ruler.small { width: calc(70px * var(--ks)); }
.ruler.small .ruler-face { --d: calc(17px * var(--fs)); left: calc(28.2px - var(--d) / 2); top: calc(19.2px - var(--d) / 2); }
.ruler.small.mirror .ruler-face { left: calc(35.8px - var(--d) / 2); }
.ruler.small .ruler-crown { --d: calc(17px * var(--fs)); left: calc(28.2px - var(--cw) / 2); top: calc(19.2px - var(--d) / 2 - var(--cw) * .42); }
.ruler.small.mirror .ruler-crown { left: calc(35.8px - var(--cw) / 2); }
.ruler-plate { position: relative; z-index: 2; }

/* soldier chat bubbles (positioned by site.js above the speaker) */
.chat { position: absolute; z-index: 7; translate: -50% -100%; max-width: 170px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: #f4f7fb; color: #0b0f1a; font: 700 .72rem var(--mono); padding: 4px 9px; border-radius: 10px;
  border: 2px solid #0b0f1a; box-shadow: 2px 2px 0 #2f8bff; pointer-events: none; animation: chat-life 2s ease-out forwards; }
.chat.red { box-shadow: 2px 2px 0 #ff3b47; }
.chat::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border: 5px solid transparent; border-top-color: #0b0f1a; }
.chat.sleepy { background: #c9d3e3; color: #4a5468; font-style: italic; font-weight: 600; }
@keyframes chat-life { 0% { opacity: 0; transform: translateY(6px) scale(.6); } 12% { opacity: 1; transform: none; }
  85% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(-6px); } }

/* ===== battlefield density: vertical sleepers, zoom by headcount, ranks instead of overflow ===== */
.squad-field { position: relative; }
.squad-field .front .unit { zoom: var(--fz, 1); }
.squad-field .rear .unit { zoom: var(--rz, 1); }
.squad-field .rear, .squad-field .front { flex-wrap: wrap-reverse; row-gap: 4px; }
.squad-field .unit { flex: 0 0 auto; min-width: 0; }
.squad-field .rear { max-width: 48%; }
/* asleep: lying lengthwise, 52 px wide instead of 88 (sprite box 52x79, viewBox 50x90 -> scale .878, x offset 4) */
.unit.offline, .squad-field .rear .unit { width: 52px; flex-basis: auto; }
.unit.offline .sprite { width: 52px; height: 79px; }
.unit.offline svg { width: 52px; height: 79px; }
.unit.offline .head, .squad-field.mirror .unit.offline .head { left: 14px; top: 6px; }
.unit.offline .zz { left: 30px; top: -4px; }
.squad-field.mirror .unit.offline .zz { left: 0; }
.unit.offline figcaption { max-width: 60px; margin: -2px auto 0; }
.squad-more { position: absolute; top: -6px; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 800;
  background: #000a; border: 1px solid currentColor; color: inherit; z-index: 3; }
.squad-field:not(.mirror) .squad-more { left: 0; } .squad-field.mirror .squad-more { right: 0; }

/* off-screen stages stop animating; crowded battlefields drop the per-soldier glow and breathing (GPU cost) */
.arena.offscreen *, .battle-strip.offscreen * { animation-play-state: paused !important; }
.battlefield.crowded .unit svg, .battlefield.crowded .unit.online svg { filter: none !important; }
.battlefield.crowded .squad-field .front .unit .sprite svg { animation: none; }
.battlefield.crowded .unit .laser { display: none; }
.online-pill { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; padding: 3px 12px; border-radius: 999px;
  font-size: .78rem; font-weight: 700; letter-spacing: .06em; background: #0008; border: 1px solid #3ddc8466; color: #c8f5dc; }
.online-pill i { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 6px #3ddc84; animation: st-pulse 1.6s ease-in-out infinite; }
.fighter.loser .online-pill { display: none; }

/* practice: folder tabs, folder sections, collapsible categories */
.folder-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 14px; }
.folder-tabs a { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 600; font-size: .9rem; }
.folder-tabs a.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.folder-tabs a:hover { text-decoration: none; border-color: var(--primary); }
.folder-sec { margin-bottom: 26px; }
.folder-head { display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--border); padding-bottom: 6px; margin-bottom: 10px; }
.folder-head h2 { margin: 0; }
.cat-block { margin-bottom: 10px; }
.cat-toggle { display: flex; align-items: center; gap: 10px; width: 100%; background: none; border: 0; padding: 8px 4px; cursor: pointer; color: var(--text); text-align: left; }
.cat-toggle h3 { margin: 0; font-size: 1.1rem; }
.cat-toggle .muted { margin-left: auto; }
.cat-toggle:hover h3 { color: var(--primary); }
.cat-toggle .caret { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 8px solid var(--muted); transition: transform .2s; }
.cat-block.collapsed .caret { transform: rotate(-90deg); }
.cat-block.collapsed .chall-grid { display: none; }

/* on-demand challenge machine panel */
.inst-box { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--surface-2); }
.inst-state { font-weight: 700; }
.instance[data-status="running"] .inst-state { color: var(--green); }
.instance[data-status="pending"] .inst-state { color: var(--lv-medium, #d4a017); }
.instance[data-status="error"] .inst-state { color: var(--red); }
.inst-box .conn { margin-top: 8px; }
.inst-clock { margin-top: 8px; font-size: 1.05rem; color: var(--muted); }
.inst-clock.warn { color: var(--red); font-weight: 800; }

/* background video (admin: Cài đặt → Video nền); a veil in the theme colour keeps text readable */
.bg-video, .bg-dim { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.bg-video { z-index: -2; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.bg-video.on { opacity: 1; }
.bg-video.quick { transition-duration: .25s; }
.bg-dim { z-index: -1; background: var(--bg); opacity: var(--dim, .82); }
body.has-bgv { background: transparent; }
html:has(body.has-bgv) { background: var(--bg); }
body.has-bgv::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0 / 32px 32px;
}
/* light theme: white veil, softer video colours, frosted cards so the video still shows through */
:root[data-theme="light"] .bg-dim { opacity: var(--dim-light, .8); }
:root[data-theme="light"] .bg-video { filter: saturate(.75) brightness(1.08); }
:root[data-theme="light"] body.has-bgv .card,
:root[data-theme="light"] body.has-bgv .pod,
:root[data-theme="light"] body.has-bgv .chall {
  background-color: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: blur(6px); }
:root[data-theme="light"] body.has-bgv .topbar { background-color: color-mix(in srgb, var(--surface) 85%, transparent); backdrop-filter: blur(8px); }
.bg-preview { display: block; width: 100%; max-width: 420px; aspect-ratio: 16 / 9; object-fit: cover; margin-top: 8px;
  border: 1px solid var(--border); border-radius: 8px; filter: brightness(calc(1 - var(--dim, .82))); }

/* admin: members online now */
.online-dot { display: inline-block; width: 8px; height: 8px; margin-right: 6px; border-radius: 50%; vertical-align: middle;
  background: var(--green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 25%, transparent); }
.online-count { color: var(--green); }
tr.is-online td { background: color-mix(in srgb, var(--green) 12%, transparent); }
tr.is-online td:first-child { box-shadow: inset 3px 0 0 var(--green); }
tr.is-online td:first-child a { color: var(--green); font-weight: 700; }