/* BrawlTube: a fighting game's front end, not a dashboard. Slanted panels,
   heavy display type, hot red / electric yellow / cyan on near-black violet. */
:root {
  --bg: #0b0614; --bg2: #140b26; --panel: #1a1030; --panel2: #221540; --line: rgba(255,255,255,.09);
  --ink: #f4f1ff; --mute: #a59cc4; --dim: #6f6690;
  --hot: #ff3d5a; --hot2: #ff7a2f; --volt: #ffd23f; --cyan: #3df5ff; --violet: #9d4edd; --good: #3df58a;
  --grad: linear-gradient(100deg, #ffd23f 0%, #ff7a2f 35%, #ff3d5a 70%, #9d4edd 100%);
  --display: "Russo One", Impact, "Arial Black", system-ui, sans-serif;
  --body: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 14px; --cut: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--body); }
body { min-height: 100vh; display: flex; flex-direction: column; background: radial-gradient(1200px 600px at 80% -10%, rgba(255,61,90,.18), transparent 60%), radial-gradient(900px 500px at -10% 10%, rgba(157,78,221,.18), transparent 60%), var(--bg); }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }
img { max-width: 100%; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sr-only:focus { position: fixed !important; top: 8px; left: 8px; width: auto; height: auto; clip: auto; padding: 8px 12px; background: var(--hot); color: #fff; z-index: 1000; }
:focus-visible { outline: 3px solid var(--volt); outline-offset: 2px; }

/* ---------- top bar ---------- */
.bt-top { position: sticky; top: 0; z-index: 50; background: rgba(11,6,20,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bt-top-in { max-width: 1320px; margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 10px 16px; }
.bt-logo { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none !important; }
.bt-word { font: 24px/1 var(--display); letter-spacing: .5px; }
.bt-word b { font-weight: 400; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bt-nav { display: flex; gap: 4px; flex: 1; }
.bt-nav a { color: var(--mute); padding: 8px 12px; font: 13px/1 var(--display); letter-spacing: .6px; text-transform: uppercase; clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%); text-decoration: none; }
.bt-nav a:hover, .bt-nav a.is-on { color: #fff; background: rgba(255,255,255,.07); }
.bt-nav a.bt-nav-play { color: #170a00; background: var(--grad); }
.bt-nav a.bt-nav-play:hover { filter: brightness(1.1); }
.bt-account { display: flex; align-items: center; gap: 8px; }
.bt-burger { display: none; background: none; border: 0; width: 40px; height: 40px; padding: 8px; margin-left: auto; }
.bt-burger span { display: block; height: 3px; margin: 5px 0; background: var(--ink); border-radius: 2px; }
@media (max-width: 920px) {
  .bt-burger { display: block; }
  .bt-nav { position: fixed; inset: 58px 0 auto 0; flex-direction: column; background: var(--bg2); padding: 10px 16px 16px; border-bottom: 1px solid var(--line); display: none; }
  .bt-nav.is-open { display: flex; }
  .bt-nav a { padding: 14px; font-size: 15px; clip-path: none; }
  .bt-account { margin-left: 0; }
}

/* ---------- buttons ---------- */
.bt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; padding: 11px 20px; font: 14px/1 var(--display); letter-spacing: .7px; text-transform: uppercase; color: #fff; background: var(--panel2); clip-path: polygon(var(--cut) 0, 100% 0, calc(100% - var(--cut)) 100%, 0 100%); text-decoration: none !important; transition: transform .08s ease, filter .15s ease; min-height: 42px; }
.bt-btn:hover { filter: brightness(1.2); }
.bt-btn:active { transform: translateY(1px) scale(.99); }
.bt-btn[disabled] { opacity: .45; cursor: not-allowed; filter: none; }
.bt-btn.hot { background: var(--grad); color: #170a00; }
.bt-btn.cyan { background: linear-gradient(100deg, #3df5ff, #6c63ff); color: #04121a; }
.bt-btn.ghost { background: transparent; box-shadow: inset 0 0 0 2px rgba(255,255,255,.18); clip-path: none; border-radius: 10px; }
.bt-btn.small { padding: 7px 12px; font-size: 12px; min-height: 32px; --cut: 9px; }
.bt-btn.big { padding: 16px 30px; font-size: 18px; min-height: 56px; --cut: 18px; }
.bt-linkbtn { background: none; border: 0; color: var(--cyan); cursor: pointer; padding: 0; }

/* ---------- layout ---------- */
main { flex: 1; width: 100%; }
.bt-wrap { max-width: 1320px; margin: 0 auto; padding: 24px 16px 60px; }
.bt-h1 { font: clamp(30px, 5vw, 54px)/1 var(--display); margin: 0 0 8px; letter-spacing: .5px; text-transform: uppercase; }
.bt-h2 { font: 22px/1.1 var(--display); margin: 0 0 12px; letter-spacing: .5px; text-transform: uppercase; }
.bt-h3 { font: 15px/1.2 var(--display); margin: 0 0 8px; letter-spacing: .6px; text-transform: uppercase; color: var(--mute); }
.bt-sub { color: var(--mute); margin: 0 0 20px; max-width: 760px; }
.bt-grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bt-panel { background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; }
.bt-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.bt-grid { display: grid; gap: 14px; }
.bt-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bt-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bt-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .bt-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .bt-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bt-cols-4, .bt-cols-3, .bt-cols-2 { grid-template-columns: minmax(0, 1fr); } .bt-wrap { padding: 16px 16px 48px; } }
.bt-muted { color: var(--mute); }
.bt-small { font-size: 12.5px; }
.bt-note { border-left: 3px solid var(--volt); background: rgba(255,210,63,.07); padding: 10px 14px; border-radius: 0 10px 10px 0; color: #ffe9a8; }
.bt-err { border-left: 3px solid var(--hot); background: rgba(255,61,90,.1); padding: 10px 14px; border-radius: 0 10px 10px 0; color: #ffc0c9; }
.bt-ok { border-left: 3px solid var(--good); background: rgba(61,245,138,.08); padding: 10px 14px; border-radius: 0 10px 10px 0; color: #bfffd8; }
.bt-tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font: 11px/1.4 var(--display); letter-spacing: .5px; text-transform: uppercase; background: rgba(255,255,255,.08); color: var(--mute); }
.bt-tag.tier-basic { color: #cfe; } .bt-tag.tier-advanced { color: #8fd3ff; } .bt-tag.tier-heavy { color: #ffb347; } .bt-tag.tier-ultimate { color: #ffd700; background: rgba(255,215,0,.12); } .bt-tag.tier-defensive { color: #9ad1ff; } .bt-tag.tier-mobility { color: #9fffd6; }
.bt-input, .bt-select, .bt-textarea { width: 100%; background: #0f0820; color: var(--ink); border: 1px solid rgba(255,255,255,.14); border-radius: 10px; padding: 10px 12px; font: inherit; }
.bt-input:focus, .bt-select:focus, .bt-textarea:focus { border-color: var(--cyan); outline: none; }
.bt-label { display: block; font: 11px/1.4 var(--display); text-transform: uppercase; letter-spacing: .6px; color: var(--mute); margin: 0 0 5px; }
.bt-empty { text-align: center; padding: 40px 16px; color: var(--mute); }
.bt-loading { padding: 40px; text-align: center; color: var(--mute); font-family: var(--display); letter-spacing: 1px; }
.bt-loading::after { content: ''; display: inline-block; width: 1em; animation: btDots 1s steps(4) infinite; overflow: hidden; vertical-align: bottom; }
@keyframes btDots { from { width: 0 } to { width: 1.2em } }

/* ---------- hero ---------- */
.bt-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.bt-hero canvas { position: absolute; top: 0; bottom: 0; right: 0; left: 38%; width: 62%; height: 100%; opacity: .95; -webkit-mask-image: linear-gradient(90deg, transparent, #000 22%); mask-image: linear-gradient(90deg, transparent, #000 22%); }
@media (max-width: 760px) { .bt-hero canvas { left: 0; width: 100%; opacity: .45; -webkit-mask-image: none; mask-image: none; } }
.bt-hero-in { position: relative; max-width: 1320px; margin: 0 auto; padding: 70px 16px 60px; min-height: 520px; display: flex; flex-direction: column; justify-content: center; }
.bt-hero h1 { font: clamp(44px, 9vw, 112px)/.9 var(--display); margin: 0; text-transform: uppercase; letter-spacing: 1px; text-shadow: 0 6px 40px rgba(255,61,90,.35); }
.bt-hero p { font-size: clamp(16px, 2vw, 20px); max-width: 620px; color: #d9d2f5; margin: 18px 0 28px; }
.bt-hero .bt-live { margin-top: 22px; display: inline-flex; gap: 10px; align-items: center; color: var(--mute); font-family: var(--display); font-size: 13px; letter-spacing: .6px; text-transform: uppercase; }
.bt-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--good); box-shadow: 0 0 12px var(--good); display: inline-block; }
.bt-dot.off { background: var(--dim); box-shadow: none; }
.bt-feature { position: relative; padding: 18px; background: linear-gradient(160deg, var(--panel2), var(--bg2)); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.bt-feature::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--grad); }
.bt-feature h3 { font: 18px/1.2 var(--display); margin: 0 0 6px; text-transform: uppercase; }
.bt-feature p { margin: 0; color: var(--mute); }

/* ---------- maps ---------- */
.bt-map { display: flex; flex-direction: column; gap: 10px; padding: 16px; background: linear-gradient(160deg, #23143f, #120a24); border: 1px solid var(--line); border-radius: var(--r); }
.bt-map h3 { margin: 0; font: 17px/1.2 var(--display); text-transform: uppercase; }
.bt-map .bt-row { justify-content: space-between; }

/* ---------- ability cards ---------- */
.bt-ab { position: relative; display: flex; gap: 12px; align-items: center; padding: 12px; background: linear-gradient(160deg, #1d1236, #110a22); border: 1px solid var(--line); border-radius: 12px; cursor: pointer; text-align: left; color: var(--ink); width: 100%; transition: transform .1s ease, border-color .15s ease; }
.bt-ab:hover, .bt-ab.is-on { border-color: var(--ab, var(--hot)); transform: translateY(-1px); }
.bt-ab.is-on { box-shadow: 0 0 0 1px var(--ab, var(--hot)), 0 8px 30px -10px var(--ab, var(--hot)); }
.bt-ab[aria-disabled="true"] { opacity: .45; }
.bt-ab-name { font: 14px/1.2 var(--display); text-transform: uppercase; letter-spacing: .4px; }
.bt-ab-meta { font-size: 12px; color: var(--mute); display: flex; gap: 8px; flex-wrap: wrap; margin-top: 3px; }
.bt-icon { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: radial-gradient(circle at 30% 25%, var(--c2, #fff) 0%, var(--c1, #f35) 45%, #120a24 110%); box-shadow: inset 0 0 0 2px rgba(255,255,255,.18), 0 0 18px -4px var(--c1, #f35); text-shadow: 0 1px 2px rgba(0,0,0,.6); }
.bt-icon.big { width: 76px; height: 76px; font-size: 38px; border-radius: 18px; }
.bt-icon.ult { box-shadow: inset 0 0 0 2px #ffd700, 0 0 24px -2px #ffd700; }
.bt-cats { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 14px; }
.bt-cat { border: 0; cursor: pointer; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.06); color: var(--mute); font: 12px/1 var(--display); letter-spacing: .5px; text-transform: uppercase; }
.bt-cat:hover { color: #fff; }
.bt-cat.is-on { background: var(--cc, var(--hot)); color: #0b0614; }
.bt-lib { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 18px; align-items: start; }
.bt-lib-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
.bt-sticky { position: sticky; top: 76px; }
@media (max-width: 1100px) { .bt-lib { grid-template-columns: minmax(0, 1fr); } .bt-sticky { position: static; } }

/* ---------- preview stage ---------- */
.bt-stage { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; background: #05030c; border: 1px solid var(--line); }
.bt-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.bt-controls { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.bt-ctl { min-width: 40px; height: 36px; border: 0; border-radius: 8px; background: rgba(255,255,255,.08); color: var(--ink); cursor: pointer; font: 14px/1 var(--display); padding: 0 10px; }
.bt-ctl:hover { background: rgba(255,255,255,.16); }
.bt-ctl.is-on { background: var(--cyan); color: #04121a; }
.bt-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; margin: 12px 0; }
.bt-stat { background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.bt-stat b { display: block; font: 18px/1.1 var(--display); }
.bt-stat span { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--mute); }

/* ---------- loadout ---------- */
.bt-slots { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 700px) { .bt-slots { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; } .bt-slot-name { display: none; } }
.bt-slot { position: relative; aspect-ratio: 1 / 1.15; border-radius: 14px; border: 2px dashed rgba(255,255,255,.2); background: rgba(255,255,255,.03); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 8px; cursor: pointer; color: var(--ink); text-align: center; }
.bt-slot.filled { border-style: solid; border-color: var(--ab, rgba(255,255,255,.3)); background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--ab, #f35) 25%, transparent), transparent 70%), #130a26; }
.bt-slot.is-on { box-shadow: 0 0 0 3px var(--volt); }
.bt-slot.drop { border-color: var(--cyan); background: rgba(61,245,255,.08); }
.bt-slot-key { position: absolute; top: 6px; left: 8px; font: 14px/1 var(--display); color: var(--volt); }
.bt-slot-name { font: 11px/1.2 var(--display); text-transform: uppercase; letter-spacing: .3px; }
.bt-slot-x { position: absolute; top: 4px; right: 6px; background: none; border: 0; color: var(--mute); cursor: pointer; font-size: 16px; }
.bt-timer { font: 28px/1 var(--display); }

/* ---------- tables ---------- */
.bt-table { width: 100%; border-collapse: collapse; }
.bt-table th, .bt-table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.bt-table th { font: 11px/1 var(--display); letter-spacing: .6px; text-transform: uppercase; color: var(--mute); }
.bt-table tr.me td { background: rgba(255,210,63,.07); }
.bt-place { font: 18px/1 var(--display); width: 40px; }
.bt-rank { font-family: var(--display); text-transform: uppercase; font-size: 12px; letter-spacing: .5px; padding: 3px 8px; border-radius: 6px; background: rgba(255,255,255,.07); }
.bt-tablewrap { overflow-x: auto; }

/* ---------- arena ---------- */
.bt-mode { position: relative; padding: 20px; border-radius: var(--r); background: linear-gradient(150deg, #2a1650, #120a24); border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; gap: 10px; }
.bt-mode h3 { margin: 0; font: 22px/1 var(--display); text-transform: uppercase; }
.bt-mode .bt-big-n { position: absolute; right: -8px; bottom: -22px; font: 120px/1 var(--display); opacity: .07; }

/* ---------- toast & modal ---------- */
.bt-toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 300; width: min(520px, calc(100% - 32px)); }
.bt-toast { padding: 12px 16px; border-radius: 12px; background: #24163f; border: 1px solid rgba(255,255,255,.14); box-shadow: 0 10px 30px rgba(0,0,0,.5); animation: btIn .2s ease; }
.bt-toast.err { border-color: var(--hot); } .bt-toast.ok { border-color: var(--good); }
@keyframes btIn { from { transform: translateY(8px); opacity: 0 } }
.bt-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: rgba(5,2,12,.7); padding: 16px; }
.bt-modal-in { width: min(560px, 100%); max-height: calc(100vh - 32px); overflow: auto; background: var(--panel); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 20px; }

/* ---------- footer ---------- */
.bt-foot { border-top: 1px solid var(--line); color: var(--dim); font-size: 13px; }
.bt-foot > div { max-width: 1320px; margin: 0 auto; padding: 18px 16px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- characters ---------- */
.bt-char { display: flex; flex-direction: column; gap: 10px; align-items: center; padding: 18px; border-radius: var(--r); border: 2px solid var(--line); background: linear-gradient(170deg, #22143f, #0f0820); cursor: pointer; color: var(--ink); text-align: center; }
.bt-char.is-on { border-color: var(--volt); box-shadow: 0 0 30px -8px var(--volt); }
.bt-char-art { width: 140px; height: 190px; display: grid; place-items: end center; position: relative; }
.bt-char-art .rig-host { position: relative; width: 140px; height: 190px; }
.bt-char-name { font: 18px/1 var(--display); text-transform: uppercase; }

/* ---------- forge ---------- */
.bt-forge { display: grid; grid-template-columns: 250px minmax(0, 1fr) 300px; grid-template-rows: auto auto; gap: 12px; }
.bt-forge-top { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.bt-forge-top .bt-input { max-width: 320px; font: 16px/1 var(--display); }
.bt-forge-left, .bt-forge-right { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; max-height: 640px; overflow: auto; }
.bt-forge-center { min-width: 0; }
.bt-forge-bottom { grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; overflow-x: auto; }
.bt-comp { display: flex; gap: 8px; align-items: center; width: 100%; text-align: left; padding: 8px 10px; margin: 0 0 6px; border-radius: 9px; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--ink); cursor: grab; font-size: 13px; }
.bt-comp:hover { border-color: var(--cyan); }
.bt-comp small { color: var(--mute); display: block; font-size: 11px; }
.bt-tl { position: relative; min-width: 760px; user-select: none; }
.bt-tl-ruler { position: relative; height: 22px; margin-left: 130px; border-bottom: 1px solid var(--line); font-size: 10px; color: var(--mute); }
.bt-tl-ruler span { position: absolute; top: 4px; transform: translateX(-50%); }
.bt-tl-row { display: flex; align-items: stretch; height: 30px; border-bottom: 1px solid rgba(255,255,255,.05); }
.bt-tl-label { flex: none; width: 130px; font: 10.5px/30px var(--display); text-transform: uppercase; letter-spacing: .4px; color: var(--mute); padding-left: 4px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.bt-tl-lane { position: relative; flex: 1; }
.bt-tl-clip { position: absolute; top: 4px; height: 22px; border-radius: 6px; background: var(--cc, #6c63ff); color: #0b0614; font: 10px/22px var(--display); padding: 0 6px; white-space: nowrap; overflow: hidden; cursor: grab; min-width: 14px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); }
.bt-tl-clip.is-on { box-shadow: 0 0 0 2px var(--volt); z-index: 2; }
.bt-tl-clip .grip { position: absolute; right: 0; top: 0; bottom: 0; width: 8px; cursor: ew-resize; background: rgba(0,0,0,.25); }
.bt-tl-clip.locked { background-image: repeating-linear-gradient(45deg, rgba(0,0,0,.15) 0 6px, transparent 6px 12px); }
.bt-tl-head { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--volt); pointer-events: none; z-index: 3; }
.bt-prop { margin: 0 0 10px; }
.bt-prop input[type=range] { width: 100%; accent-color: var(--hot); }
.bt-prop .bt-row { justify-content: space-between; }
.bt-budget { height: 8px; border-radius: 6px; background: rgba(255,255,255,.08); overflow: hidden; margin: 4px 0 10px; }
.bt-budget i { display: block; height: 100%; background: var(--grad); }
@media (max-width: 1100px) {
  .bt-forge { grid-template-columns: minmax(0, 1fr); }
  .bt-forge-left, .bt-forge-right { max-height: none; }
  .bt-forge-left { order: 3; } .bt-forge-right { order: 2; } .bt-forge-bottom { order: 4; }
}

/* ---------- stars ---------- */
.bt-stars button { background: none; border: 0; color: #4a4166; font-size: 22px; cursor: pointer; padding: 0 2px; }
.bt-stars button.is-on { color: var(--volt); }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media (max-width: 520px) {
  .bt-word { font-size: 20px; }
  .bt-top-in { gap: 8px; }
  .bt-account .bt-btn { padding: 6px 9px; font-size: 11px; min-height: 30px; --cut: 7px; max-width: 108px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}