:root {
  --bg: #04060d;
  --glass: rgba(10, 16, 30, 0.78);
  --glass-2: rgba(18, 28, 50, 0.72);
  --edge: rgba(120, 220, 255, 0.22);
  --edge-hi: rgba(120, 220, 255, 0.6);
  --text: #e8f1ff;
  --muted: #7f8ea8;
  --cyan: #38e8ff;
  --violet: #9a6bff;
  --magenta: #ff4fd8;
  --orange: #ff9a3c;
  --green: #4dff9a;
  --danger: #ff4d6a;
  --yellow: #ffd93d;
  --gold: #f2d544;
  --blue: #5b8cff;
  --text-2: #c3cee2;     /* secondary text on glass */
  --line: rgba(120, 220, 255, 0.1); /* hairline dividers */
  --ls-label: 0.25em;    /* spaced-out caps labels */
  --ls-sub: 0.3em;
  --gutter: 20px;
  --tap: 44px;           /* minimum touch target */
  --ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--cyan); /* focus ring */
  --display: "Orbitron", "Segoe UI", system-ui, sans-serif;
  --ui: "Rajdhani", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: var(--ui);
  overflow: hidden; -webkit-font-smoothing: antialiased; }
canvas#game { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
/* CRT-ish scanlines + vignette over everything */
body::after { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 50;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%); }

.screen { position: fixed; inset: 0; z-index: 10; overflow-y: auto; padding: max(24px, env(safe-area-inset-top)) var(--gutter) max(24px, env(safe-area-inset-bottom));
  display: flex; align-items: center; justify-content: center; animation: fadeIn .25s ease; }
.screen.dim { background: rgba(2, 4, 10, 0.72); backdrop-filter: blur(6px); }
.hidden { display: none !important; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- glass panels ---------- */
.panel { position: relative; background: var(--glass); border: 1px solid var(--edge); padding: 28px 32px;
  width: min(600px, 100%); margin: auto; backdrop-filter: blur(10px);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  box-shadow: inset 0 0 40px rgba(56, 232, 255, 0.06); }
.panel.wide { width: min(820px, 100%); }
.panel.narrow { width: min(440px, 100%); }
.panel::before { content: ""; position: absolute; left: 0; top: 0; width: 120px; height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent); }
.panel-title { font-family: var(--display); font-weight: 900; letter-spacing: 0.18em; font-size: 22px;
  margin: 0 0 18px; text-transform: uppercase; }
.panel-title .sub { display: block; font-family: var(--ui); font-size: 13px; color: var(--muted);
  letter-spacing: var(--ls-sub); font-weight: 600; margin-top: 6px; }
h3 { font-family: var(--display); margin: 26px 0 10px; font-size: 12px; color: var(--cyan); letter-spacing: 0.3em;
  text-transform: uppercase; display: flex; align-items: center; gap: 10px; font-weight: 700; }
h3::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--edge), transparent); }

/* ---------- buttons ---------- */
button { font-family: var(--ui); font-size: 17px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text); background: var(--glass-2); border: 1px solid var(--edge); padding: 12px 18px; cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background .15s, border-color .15s, transform .08s, box-shadow .15s; }
button:hover { background: rgba(56, 232, 255, 0.14); border-color: var(--edge-hi); }
button:active { transform: scale(0.98); }
button:focus { outline: none; }
button:focus-visible { border-color: var(--cyan); box-shadow: inset 0 0 0 2px var(--cyan), 0 0 16px rgba(56,232,255,0.35); }
a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
button.primary { background: linear-gradient(90deg, rgba(56,232,255,0.35), rgba(154,107,255,0.35)); border-color: var(--edge-hi); }
button.primary:hover { background: linear-gradient(90deg, rgba(56,232,255,0.5), rgba(154,107,255,0.5)); }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > button { flex: 1; }
.stack { display: grid; gap: 10px; }

/* ---------- main menu ---------- */
#menu { justify-content: flex-start; align-items: stretch; flex-direction: column; padding: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 36px;
  border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(4,8,18,0.85), rgba(4,8,18,0.3));
  font-size: 13px; letter-spacing: 0.3em; color: var(--muted); font-weight: 600; }
.topbar .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green); margin-right: 10px; animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.menu-body { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 720px) minmax(0, 1fr);
  align-items: center; padding: 24px 20px 40px; }
.menu-col { grid-column: 2; }
.logo { font-family: var(--display); font-weight: 900; font-size: clamp(48px, 9vw, 104px); letter-spacing: 0.14em;
  margin: 0; line-height: 1; background: linear-gradient(100deg, #bff6ff 0%, var(--cyan) 35%, var(--violet) 70%, var(--magenta) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px rgba(56,232,255,0.35)); }
.tagline { margin: 10px 0 30px 4px; color: var(--muted); letter-spacing: 0.45em; font-size: 14px; font-weight: 600; }
.tile { --c: var(--cyan); position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center;
  width: 100%; text-align: left; text-transform: none; letter-spacing: 0; padding: 18px 26px 18px 34px; margin-bottom: 12px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--c) 22%, transparent), rgba(8,12,24,0.75) 60%);
  border: 1px solid color-mix(in srgb, var(--c) 35%, transparent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%);
  transition: transform .18s cubic-bezier(.2,.8,.2,1), background .18s, box-shadow .18s; }
.tile::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--c);
  box-shadow: 0 0 18px var(--c); }
.tile:hover, .tile:focus-visible { transform: translateX(14px); background: linear-gradient(90deg, color-mix(in srgb, var(--c) 38%, transparent), rgba(8,12,24,0.8) 70%); border-color: var(--c); }
.tile .t-name { font-family: var(--display); font-weight: 900; font-size: 26px; letter-spacing: 0.12em; color: #fff;
  text-shadow: 0 0 16px color-mix(in srgb, var(--c) 70%, transparent); display: block; }
.tile .t-desc { font-size: 15px; color: var(--text-2); letter-spacing: 0.08em; font-weight: 600; margin-top: 2px; display: block; }
.tile .t-rec { text-align: right; font-family: var(--display); font-size: 17px; color: var(--c); padding-right: 24px; }
.tile .t-rec small { display: block; font-family: var(--ui); font-size: 11px; letter-spacing: 0.3em; color: var(--muted); }
.tile.small { padding: 12px 26px 12px 34px; }
.tile.small .t-name { font-size: 18px; }
.hint { margin: 14px 0 0; color: var(--muted); font-size: 14px; font-weight: 600; letter-spacing: 0.04em; }
.menu-foot { margin-top: 18px; color: var(--muted); font-size: 13px; letter-spacing: 0.2em; font-weight: 600; }
kbd { font-family: var(--ui); font-weight: 700; font-size: 12px; padding: 1px 7px; border: 1px solid var(--edge);
  background: rgba(56,232,255,0.08); color: var(--text); margin: 0 2px; letter-spacing: 0.05em; }

/* ---------- settings ---------- */
.setting { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px; padding: 10px 2px;
  border-bottom: 1px solid var(--line); }
.setting label { font-size: 17px; font-weight: 700; letter-spacing: 0.04em; }
.setting small { display: block; color: var(--muted); font-size: 13px; font-weight: 500; letter-spacing: 0.02em; }
.setting .ctrl { display: flex; align-items: center; gap: 10px; }
input[type=number] { width: 90px; background: rgba(0,0,0,0.4); color: var(--cyan); border: 1px solid var(--edge);
  padding: 7px 10px; font-family: var(--display); font-size: 14px; }
input[type=number]:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 12px rgba(56,232,255,0.3); }
input[type=range] { width: 140px; accent-color: var(--cyan); min-height: 28px; }
input[type=checkbox] { appearance: none; flex: none; width: 48px; height: 26px; border: 1px solid var(--edge); background: rgba(0,0,0,0.4);
  position: relative; cursor: pointer; transition: background .15s; margin: 0; }
input[type=checkbox]::after { content: ""; position: absolute; top: 4px; left: 4px; width: 16px; height: 16px;
  background: var(--muted); transition: left .15s, background .15s; }
input[type=checkbox]:checked { background: rgba(56,232,255,0.2); border-color: var(--cyan); }
input[type=checkbox]:checked::after { left: 26px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.inline-check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); font-weight: 700; letter-spacing: 0.1em; }
.warn { border-left: 3px solid var(--orange); background: rgba(255,154,60,0.08); color: #ffd0a0;
  padding: 10px 14px; font-size: 14px; font-weight: 600; margin: 8px 0 8px; }
table.binds { width: 100%; border-collapse: collapse; }
table.binds th, table.binds td { padding: 5px 6px; text-align: left; font-size: 16px; font-weight: 600; }
table.binds th { color: var(--muted); font-size: 12px; letter-spacing: 0.25em; }
table.binds button { width: 100%; padding: 7px 10px; font-size: 14px; letter-spacing: 0.06em; text-transform: none; }
table.binds button.listening { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 14px rgba(56,232,255,0.4); animation: blink 1s infinite; }
table.binds button.conflict { border-color: var(--danger); color: #ffb3c0; }

/* ---------- results ---------- */
.res-big { text-align: center; font-family: var(--display); font-size: clamp(34px, 6vw, 54px); font-weight: 900;
  letter-spacing: 0.06em; margin: 6px 0 4px; color: #fff; text-shadow: 0 0 24px rgba(56,232,255,0.6); }
.res-sub { text-align: center; color: var(--cyan); min-height: 22px; margin-bottom: 20px; font-weight: 700; letter-spacing: 0.25em; font-size: 14px; }
.res-sub.best { color: #ffd66e; text-shadow: 0 0 12px rgba(255,214,110,0.6); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 22px; }
.stat-card { background: rgba(0,0,0,0.3); border: 1px solid var(--line); padding: 10px 12px; }
.stat-card .k { font-size: 11px; letter-spacing: 0.25em; color: var(--muted); font-weight: 700; }
.stat-card .v { font-family: var(--display); font-size: 20px; margin-top: 4px; }
.stat-card .v2 { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2px 8px; font-size: 15px; }
.stat-card .v2 span:first-child { color: var(--cyan); }
.stat-card .v2 span:last-child { color: var(--magenta); }

.banner { position: fixed; left: 50%; top: 24%; transform: translate(-50%, -50%); z-index: 6; pointer-events: none;
  background: rgba(4, 8, 18, 0.88); border-top: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan);
  padding: 20px 60px; font-family: var(--display); font-size: 30px; font-weight: 900; letter-spacing: 0.14em; text-align: center;
  text-shadow: 0 0 18px rgba(56,232,255,0.7); box-shadow: 0 0 60px rgba(56,232,255,0.2); animation: bannerIn .35s cubic-bezier(.2,.8,.2,1); white-space: nowrap; }
.banner small { display: block; font-family: var(--ui); font-size: 16px; color: var(--muted); font-weight: 700; margin-top: 8px; letter-spacing: 0.3em; text-shadow: none; }
@keyframes bannerIn { from { opacity: 0; transform: translate(-50%, -50%) scaleX(0.3); } to { opacity: 1; transform: translate(-50%, -50%); } }

/* ---------- menu extras ---------- */
.topbar-right { display: flex; align-items: center; gap: 18px; }
button.chip { font-size: 12px; letter-spacing: var(--ls-label); padding: 8px 14px; min-height: 34px; white-space: nowrap; }
.tile-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lb-body { max-height: min(56vh, 520px); overflow-y: auto; }
table.lb { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.lb th { color: var(--muted); font-size: 12px; letter-spacing: 0.25em; text-align: left; padding: 6px 8px; }
table.lb td { padding: 9px 8px; font-size: 17px; font-weight: 600; border-top: 1px solid rgba(255,255,255,0.06); }
table.lb td:first-child { color: var(--muted); width: 3em; }
table.lb td:nth-child(3) { color: var(--gold); }
table.lb tr:nth-child(1) td:first-child { color: var(--gold); }
table.lb tr.me td { background: rgba(56,232,255,0.08); }
.lb-empty { color: var(--muted); padding: 18px 4px; text-align: center; }
.tile-row .tile { margin-bottom: 12px; grid-template-columns: 1fr; }
.site-foot { padding: 14px 36px; color: var(--muted); font-size: 12px; letter-spacing: 0.25em; font-weight: 600;
  border-top: 1px solid var(--line); }
.site-foot a { color: var(--cyan); text-decoration: none; }
.site-foot a:hover { text-shadow: 0 0 10px var(--cyan); }
@media (max-width: 640px) {
  .tile-row { grid-template-columns: 1fr; }
  .topbar, .site-foot { padding-left: 16px; padding-right: 16px; }
  .tile .t-name { font-size: 20px; }
}

/* ---------- how to play ---------- */
.lead { color: var(--text-2); font-size: 17px; line-height: 1.45; font-weight: 500; margin: 0 0 6px; }
.help-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.help-grid.dense { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; }
.help-card { --c: var(--cyan); border-left: 3px solid var(--c); background: rgba(0,0,0,0.3); padding: 10px 12px;
  font-size: 15px; color: var(--text-2); font-weight: 500; line-height: 1.35; }
.help-card b { display: block; font-family: var(--display); color: #fff; font-size: 14px; letter-spacing: 0.1em; margin-bottom: 4px; }
.atk { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 7px 12px;
  background: rgba(0,0,0,0.28); border: 1px solid var(--line); font-size: 15px; font-weight: 600; }
.atk b { font-family: var(--display); color: var(--cyan); font-size: 14px; white-space: nowrap; }
.tips { margin: 0; padding-left: 20px; color: var(--text-2); font-size: 16px; line-height: 1.5; font-weight: 500; }
.tips b { color: #fff; }
.tips em { color: var(--violet); font-style: normal; font-weight: 700; }
.help-keys td { padding: 6px; }

/* ---------- online lobby ---------- */
.net-status { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 0.25em; font-weight: 700;
  color: var(--muted); margin-bottom: 14px; }
.net-status::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.net-status[data-state="online"] { color: var(--green); }
.net-status[data-state="online"]::before { background: var(--green); box-shadow: 0 0 10px var(--green); }
.net-status[data-state="connecting"]::before { background: var(--orange); animation: blink 1s infinite; }
.net-status[data-state="offline"]::before, .net-status[data-state="unavailable"]::before { background: var(--danger); }
.field { display: grid; gap: 6px; font-size: 12px; letter-spacing: 0.25em; color: var(--muted); font-weight: 700; }
input[type=text], input[type=password] { background: rgba(0,0,0,0.4); color: var(--text); border: 1px solid var(--edge); padding: 11px 14px;
  font-family: var(--display); font-size: 16px; letter-spacing: 0.08em; width: 100%; }
input[type=text]:focus, input[type=password]:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 14px rgba(56,232,255,0.3); }
.join-row { display: grid; grid-template-columns: 130px 1fr; gap: 10px; }
#net-code { text-transform: uppercase; text-align: center; letter-spacing: 0.4em; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button:disabled:hover { background: var(--glass-2); border-color: var(--edge); }
.lobby-error { color: var(--danger); font-weight: 700; min-height: 20px; margin-top: 10px; letter-spacing: 0.05em; }
.lobby-wait { margin-top: 8px; padding: 20px; text-align: center; border: 1px solid var(--edge-hi); background: rgba(56,232,255,0.06); }
.lobby-wait-title { font-size: 12px; letter-spacing: 0.35em; color: var(--muted); font-weight: 700; }
.lobby-code { font-family: var(--display); font-size: 54px; font-weight: 900; letter-spacing: 0.3em; color: #fff; margin: 6px 0;
  text-shadow: 0 0 24px rgba(56,232,255,0.8); user-select: all; }
.lobby-wait-sub { color: var(--text-2); font-weight: 600; margin: 6px 0 14px; }
.spinner { width: 34px; height: 34px; margin: 0 auto 16px; border: 3px solid rgba(56,232,255,0.2); border-top-color: var(--cyan);
  border-radius: 50%; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- accounts ---------- */
.account-chip { color: var(--cyan); }
.account-chip.guest { color: var(--muted); }
.small-logo { font-size: 56px; text-align: center; }
#welcome .tagline { text-align: center; letter-spacing: 0.3em; margin-left: 0; }
.lead.center { text-align: center; margin-bottom: 22px; }
.acct-view { display: grid; gap: 14px; }
.form-error { color: var(--danger); font-weight: 700; min-height: 20px; letter-spacing: 0.03em; }
.form-note { color: var(--muted); font-size: 13px; letter-spacing: 0.05em; margin: 4px 0 0; }
button.linkish { display: block; margin: 14px auto 0; background: none; border: none; padding: 4px; font-size: 13px;
  color: var(--muted); letter-spacing: 0.15em; }
button.linkish:hover { color: var(--cyan); background: none; }
.stat-grid.two { grid-template-columns: 1fr 1fr; }
.pw-change { margin-top: 18px; border: 1px solid var(--edge); padding: 10px 14px; }
.pw-change summary { cursor: pointer; font-weight: 700; letter-spacing: 0.2em; font-size: 13px; color: var(--muted); text-transform: uppercase; }
.pw-change form { display: grid; gap: 12px; margin-top: 12px; }
#net-name:disabled { opacity: 0.8; color: var(--cyan); }

/* ---------- touch controller ---------- */
body.touch button { touch-action: manipulation; }
html:has(body.touch) { touch-action: manipulation; }
body.touch { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; -webkit-text-size-adjust: 100%; }
body.touch input { -webkit-user-select: text; user-select: text; font-size: max(16px, 1em); } /* 16px stops iOS zooming into fields */
#touch-note { display: none; }
body.touch #touch-note { display: block; }
body.touch .tile[data-mode="versus"] { display: none; } /* two players need one keyboard */
body.touch .menu-foot, body.touch #online .menu-foot { display: none; }
/* Portrait: one slim row under the board. Left thumb moves, right thumb rotates,
   DROP sits in the middle. Pause and retry live in the top corners. */
#pad { --u: min(64px, calc((100vw - 60px) / 5)); position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: auto 1fr auto; align-items: stretch; gap: 10px;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(8,12,24,0.88), rgba(4,6,13,0.97));
  border-top: 1px solid var(--edge); touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#pad::before { content: ""; position: absolute; left: 0; top: -1px; width: 140px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent); pointer-events: none; }
.pad-move, .pad-rot { display: grid; grid-template-columns: var(--u) var(--u); grid-auto-rows: var(--u); gap: 8px; touch-action: none; }
.pad-move .wide { grid-column: 1 / -1; }

.pbtn { position: relative; display: grid; place-items: center; align-content: center; gap: 1px; padding: 0; margin: 0;
  clip-path: none; border-radius: 16px; border: 1px solid rgba(140,200,255,0.18);
  background: linear-gradient(180deg, rgba(34,46,78,0.9), rgba(16,22,40,0.95));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 3px 0 rgba(0,0,0,0.45);
  color: #cfdcf5; font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: 0.05em; line-height: 1;
  touch-action: none; pointer-events: none; transition: transform .05s, background .06s, box-shadow .06s; }
button.pbtn { pointer-events: auto; }
.pbtn small { font-family: var(--ui); font-size: 10px; letter-spacing: 0.3em; color: var(--muted); font-weight: 700; }
.pbtn.hold, .pbtn.r180 { font-size: 13px; letter-spacing: 0.15em; }
.pbtn.hold { color: #ffc27a; border-color: rgba(255,154,60,0.45); }
.pbtn.r180 { color: #c9a8ff; border-color: rgba(154,107,255,0.5); }
.pbtn.ccw { color: #ff8fe2; border-color: rgba(255,79,216,0.5); font-size: 28px; }
.pbtn.cw { color: #8ff0ff; border-color: rgba(56,232,255,0.55); font-size: 28px; }
.pbtn.drop { color: #fff; font-size: 12px; letter-spacing: 0.3em; border: none; border-radius: 18px;
  background: linear-gradient(180deg, #45e6ff, #8a5cff); box-shadow: 0 4px 0 #3b2477, 0 0 24px rgba(90,160,255,0.25); }
.pbtn.drop b { font-size: 30px; letter-spacing: 0; }
.pbtn.lit { transform: translateY(2px); background: linear-gradient(180deg, rgba(56,232,255,0.4), rgba(56,232,255,0.14));
  box-shadow: 0 1px 0 rgba(0,0,0,0.5), 0 0 18px rgba(56,232,255,0.4); color: #fff; }
.pbtn.drop.lit { background: linear-gradient(180deg, #7af0ff, #a57dff); box-shadow: 0 1px 0 #3b2477, 0 0 30px rgba(120,180,255,0.6); }

.pad-corner { position: fixed; top: calc(10px + env(safe-area-inset-top)); width: var(--tap); height: var(--tap); padding: 0; clip-path: none;
  border-radius: 12px; font-size: 14px; letter-spacing: 0; color: var(--muted); background: rgba(8,12,24,0.7); }
.pad-corner.left { left: 12px; }
.pad-corner.right { right: 12px; font-size: 20px; }
.pad-corner:active { color: var(--cyan); border-color: var(--cyan); }

/* Landscape: the two clusters sit either side of the board, DROP above the move keys. */
@media (orientation: landscape) {
  #pad { --u: min(72px, 15vh); top: 0; background: none; border: none; pointer-events: none;
    grid-template-columns: auto 1fr auto; grid-template-rows: 1fr auto auto; align-items: end;
    padding: 12px calc(20px + env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left)); }
  #pad::before { display: none; }
  #pad > * { pointer-events: auto; }
  .pad-move { grid-column: 1; grid-row: 3; }
  .pad-rot { grid-column: 3; grid-row: 3; }
  #pad-drop { grid-column: 1; grid-row: 2; height: var(--u); }
}
body.touch #btn-fullscreen { display: none; }
.account-chip { white-space: nowrap; }
@media (max-width: 640px) {
  .topbar > span:first-child, #clock { display: none; }
  .topbar { justify-content: flex-end; }
}

/* ---------- menu views & cards ---------- */
.menu-view { animation: fadeIn .25s ease-out; }
.tile.big { padding-top: 26px; padding-bottom: 26px; }
.tile.big .t-name { font-size: 30px; }
.view-title { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; font-family: var(--display); font-weight: 900;
  font-size: 30px; letter-spacing: 0.16em; color: #fff; }
.back-btn { width: 46px; height: 46px; padding: 0; font-size: 28px; line-height: 1; letter-spacing: 0; flex: none; }
.view-note { margin: -6px 0 16px; color: var(--muted); font-size: 15px; letter-spacing: 0.06em; font-weight: 600; }

/* The "Add me as an app!" banner: meant to be noticed, pinned to the bottom of the main menu. */
.app-dock { position: sticky; bottom: 0; z-index: 2; display: grid; grid-template-columns: minmax(0, 720px); justify-content: center;
  padding: 14px var(--gutter) max(14px, env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent, rgba(4,6,13,0.92) 38%); }
#menu:not([data-view="main"]) .app-dock { display: none; }
.app-banner { position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  width: 100%; margin: 0; padding: 14px 20px; text-align: left; letter-spacing: 0.04em; text-transform: none;
  border: 1px solid transparent; border-radius: 14px; color: #fff; overflow: hidden;
  background: linear-gradient(var(--bg), var(--bg)) padding-box,
              linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta), var(--cyan)) border-box;
  background-size: 100% 100%, 300% 100%; animation: appGlow 4s linear infinite;
  box-shadow: 0 0 22px rgba(154,107,255,0.35), inset 0 0 30px rgba(56,232,255,0.08); }
.app-banner b { display: block; font-family: var(--display); font-weight: 900; font-size: 20px; letter-spacing: 0.12em;
  background: linear-gradient(90deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.app-banner small { display: block; margin-top: 3px; color: var(--text-2); font-size: 14px; font-weight: 600; letter-spacing: 0.05em; }
.app-ico { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; font-size: 24px;
  background: linear-gradient(135deg, var(--cyan), var(--violet)); color: #04060d; font-weight: 900;
  animation: appBob 1.6s ease-in-out infinite; }
.app-go { font-size: 34px; color: var(--cyan); }
.app-banner:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.app-banner:hover { box-shadow: 0 0 34px rgba(154,107,255,0.6), inset 0 0 30px rgba(56,232,255,0.12); transform: translateY(-2px); }
@keyframes appGlow { to { background-position: 0 0, 300% 0; } }
@keyframes appBob { 50% { transform: translateY(3px); } }
@media (prefers-reduced-motion: reduce) { .app-banner, .app-ico { animation: none; } }

/* Install instructions */
.install-perks { display: grid; gap: 8px; margin: 4px 0 16px; }
.install-perks div { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; padding: 10px 14px; border: 1px solid var(--edge); border-radius: 10px; background: var(--glass-2);
  color: var(--text-2); font-size: 15px; font-weight: 600; }
.perk-ico { color: var(--cyan); flex: none; }
.install-perks b { display: block; color: #fff; font-size: 16px; letter-spacing: 0.04em; }
.install-tabs { display: flex; gap: 8px; margin: 6px 0 12px; }
.install-tabs .chip { flex: 1; text-transform: none; letter-spacing: 0.08em; font-size: 15px; min-height: var(--tap); }
.install-tabs .chip.on { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 12px rgba(56,232,255,0.35); }
.install-steps { margin: 0; padding-left: 24px; display: grid; gap: 10px; font-size: 17px; font-weight: 600; color: var(--text-2); }
.install-steps b { color: var(--cyan); }
.kbdish { display: inline-block; padding: 0 7px; border: 1px solid var(--edge-hi); border-radius: 6px; font-size: 14px; }
#btn-install-now { width: 100%; margin-bottom: 12px; }
@media (max-width: 640px) {
  .tile.big { padding-top: 16px; padding-bottom: 16px; margin-bottom: 10px; }
  .tile.big .t-name { font-size: 22px; }
  .tile.big .t-desc { font-size: 14px; }
  .tile.big .t-rec { display: none; }
  .tile.big { grid-template-columns: 1fr; }
  .app-banner { padding: 14px 16px; gap: 12px; }
  .app-banner b { font-size: 17px; }
  .app-banner small { font-size: 13px; }
  .app-ico { width: 40px; height: 40px; font-size: 20px; }
  .view-title { font-size: 24px; }
}
@media (max-width: 640px) and (max-height: 900px) {
  #menu .logo { font-size: 44px; }
  #menu .tagline { margin: 4px 0 16px 4px; }
}

/* ---------- responsive polish ---------- */
/* Sub views (Solo, VS CPU, Multiplayer) get a compact logo so the choices come first. */
#menu:not([data-view="main"]) .logo { font-size: clamp(34px, 5vw, 56px); }
#menu:not([data-view="main"]) .tagline { display: none; }
#menu:not([data-view="main"]) .menu-body { align-items: start; padding-top: 28px; }
#menu .logo { transition: font-size .2s ease; }
body.touch button.chip, body.touch .back-btn { min-height: var(--tap); }
body.touch table.binds button { min-height: var(--tap); }

@media (max-width: 640px) {
  :root { --gutter: 16px; --ls-label: 0.16em; --ls-sub: 0.16em; }
  .panel { padding: 22px 18px; }
  .panel-title { font-size: 20px; letter-spacing: 0.12em; }
  .tagline { letter-spacing: 0.3em; }
  .menu-body { padding: 16px var(--gutter) 20px; }
  .topbar { padding: 12px var(--gutter); letter-spacing: 0.16em; }
  .site-foot { letter-spacing: 0.16em; }
  .tile { padding: 14px 20px 14px 26px; margin-bottom: 10px; }
  .tile .t-desc { font-size: 14px; letter-spacing: 0.03em; }
  .tile .t-rec { font-size: 14px; padding-right: 18px; }
  .tile .t-rec small { letter-spacing: 0.14em; font-size: 10px; }
  #btn-online .t-rec { display: none; } /* the description already says it is live 1v1 */
  .tile:hover, .tile:focus-visible { transform: translateX(6px); }
  .view-title { gap: 12px; letter-spacing: 0.1em; }
  h3 { letter-spacing: 0.2em; }
  /* Settings: label on top, control underneath, so nothing gets squeezed. */
  .setting { grid-template-columns: 1fr; gap: 8px; padding: 12px 0; }
  .setting .ctrl { justify-content: flex-start; flex-wrap: wrap; }
  .setting input[type=range] { flex: 1; min-width: 120px; }
  table.binds th, table.binds td { padding: 4px 3px; font-size: 14px; }
  /* Results: two stats per row instead of one long column. */
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card .v { font-size: 18px; }
  .res-sub { letter-spacing: 0.14em; }
  .lobby-code { font-size: 40px; letter-spacing: 0.2em; }
  .join-row { grid-template-columns: 110px 1fr; }
  .app-dock { padding-top: 10px; }
  .app-banner { padding: 12px 14px; }
  .install-steps { font-size: 16px; padding-left: 20px; }
  .banner { padding: 16px 28px; font-size: 22px; }
}
@media (max-width: 360px) {
  .stat-grid { grid-template-columns: 1fr; }
}
/* Short landscape phones: keep the pinned banner slim. */
@media (max-height: 500px) {
  .app-banner small { display: none; }
  .app-dock { padding-top: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}