/* GTG Speed Trainer. Colors and type follow the gtg3 theme; each part of a session has its own
   footswitch-LED color (preview white, count-in amber, burst red, chill blue, done green). */
:root {
	color-scheme: dark;
	--blackout: #07080c;
	--floor: #141722;
	--floor-2: #1d2130;
	--floor-3: #272c3e;
	--rule: #262b3b;
	--house: #eef0f6;
	--muted: #8b93a7;
	--spot: #f6ead2;
	--led-learn: #e9edf7;
	--led-count: #ffb020;
	--led-burst: #ff3b47;
	--led-chill: #3fa9ff;
	--led-done: #35d07f;
	--led-warm: #c58bff;
	--led: var(--spot);
	--wood-1: #17130f;
	--wood-2: #221b15;
	--fretwire: #5a5e69;
	--stringc: #b9bcc6;
	--display: 'Big Shoulders Display', 'Arial Narrow', Impact, sans-serif;
	--text: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
	--gutter: clamp(16px, 3vw, 32px);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--blackout); color: var(--house); }
body { font: 16px/1.55 var(--text); min-height: 100vh; padding-bottom: env(safe-area-inset-bottom, 0px); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--spot); }
:focus-visible { outline: 2px solid var(--spot); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--display); text-transform: uppercase; letter-spacing: .02em; line-height: 1.02; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(38px, 6vw, 60px); font-weight: 900; }
h2 { font-size: clamp(26px, 3.6vw, 34px); font-weight: 800; }
h3 { font-size: 21px; font-weight: 800; }
p { margin: 0; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.eyebrow { font: 600 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.loading { padding: 48px var(--gutter); color: var(--muted); }
.led { display: inline-block; width: .6em; height: .6em; border-radius: 50%; background: var(--led); box-shadow: 0 0 0 2px color-mix(in srgb, var(--led) 25%, transparent), 0 0 12px var(--led); flex: none; }

/* ---------- Top bar ---------- */
.bar { position: sticky; top: 0; z-index: 30; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; padding: calc(10px + env(safe-area-inset-top, 0px)) var(--gutter) 10px; background: color-mix(in srgb, var(--blackout) 92%, transparent); border-bottom: 1px solid var(--rule); backdrop-filter: blur(8px); }
.wordmark { font: 900 22px var(--display); text-transform: uppercase; letter-spacing: .03em; color: var(--house); text-decoration: none; }
.app-name { font: 600 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--led-burst); }
.bar-nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px; }
.bar-nav button, .bar-nav a { background: none; border: 1px solid transparent; border-radius: 999px; padding: 6px 12px; font: 600 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.bar-nav button:hover, .bar-nav a:hover, .bar-nav [aria-current="page"] { color: var(--house); border-color: var(--rule); }
.bar-nav .signin { color: var(--blackout); background: var(--spot); }
body.playing .bar { display: none; }

/* ---------- Page layout ---------- */
.page { max-width: 1180px; margin: 0 auto; padding: 28px var(--gutter) 64px; display: grid; gap: 28px; }
.page-head { display: grid; gap: 10px; }
.page-head p { max-width: 62ch; color: var(--muted); }
.notice { border: 1px solid var(--rule); background: var(--floor); border-radius: 12px; padding: 16px 18px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.notice p { max-width: 60ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 10px; border: 1px solid var(--rule); background: var(--floor-2); color: var(--house); padding: 11px 18px; font: 700 18px var(--display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--spot); color: var(--blackout); border-color: var(--spot); }
.btn.go { background: var(--led-burst); color: var(--blackout); border-color: var(--led-burst); }
.btn.small { font-size: 15px; padding: 7px 12px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* Profile chooser */
.profiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.profile { text-align: left; background: var(--floor); border: 1px solid var(--rule); border-radius: 14px; padding: 18px; display: grid; gap: 8px; align-content: start; }
.profile:hover, .profile[aria-pressed="true"] { border-color: var(--spot); }
.profile h3 { font-size: 26px; }
.profile p { color: var(--muted); font-size: 15px; }
.profile .mono { font-size: 13px; color: var(--spot); }

/* Today card */
.today { border: 1px solid var(--rule); border-radius: 16px; padding: 22px; display: grid; gap: 16px; background: radial-gradient(ellipse 70% 90% at 0% 0%, color-mix(in srgb, var(--led-burst) 10%, transparent), transparent 70%), var(--floor); }
.today ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.today li { display: flex; gap: 12px; align-items: center; }
.today li .mono { color: var(--muted); font-size: 13px; min-width: 64px; }
.today-stats { display: flex; flex-wrap: wrap; gap: 8px 22px; font: 500 13px var(--mono); color: var(--muted); }
.today-stats b { color: var(--house); font-weight: 600; }

/* Stage path */
.stages { display: grid; gap: 22px; }
.stage-block { display: grid; gap: 12px; }
.stage-head { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; border-bottom: 1px solid var(--rule); padding-bottom: 8px; }
.stage-head .eyebrow { min-width: 70px; }
.stage-head p { flex-basis: 100%; color: var(--muted); font-size: 15px; max-width: 70ch; }
.stage-head .meter { margin-left: auto; font: 500 12px var(--mono); color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
.card { text-align: left; background: var(--floor); border: 1px solid var(--rule); border-radius: 12px; padding: 14px; display: grid; gap: 6px; align-content: start; min-width: 0; position: relative; }
.card:hover { border-color: var(--muted); }
.card.next { border-color: var(--led-burst); }
.card h3 { font-size: 20px; }
.card p { font-size: 14px; color: var(--muted); }
.card .meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font: 500 12px var(--mono); color: var(--muted); }
.card .meta b { color: var(--house); font-weight: 600; }
.tag { font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--rule); color: var(--muted); }
.tag.demo { color: var(--led-done); border-color: color-mix(in srgb, var(--led-done) 50%, transparent); }
.tag.lock { color: var(--led-count); border-color: color-mix(in srgb, var(--led-count) 50%, transparent); }
.tag.next { color: var(--led-burst); border-color: color-mix(in srgb, var(--led-burst) 60%, transparent); }
.tag.done { color: var(--led-done); border-color: color-mix(in srgb, var(--led-done) 50%, transparent); }
.stars { font-family: var(--mono); letter-spacing: .1em; color: var(--led-count); }
.stars .off { color: var(--floor-3); }

/* ---------- Drill intro ---------- */
.intro { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 860px) { .intro { grid-template-columns: 1fr; } }
.intro-main { display: grid; gap: 16px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.fact { background: var(--floor); border: 1px solid var(--rule); border-radius: 10px; padding: 12px; display: grid; gap: 2px; }
.fact span { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.fact b { font: 800 26px var(--display); font-variant-numeric: tabular-nums; }
.stepper { display: inline-flex; align-items: center; gap: 4px; }
.stepper button { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--rule); background: var(--floor-2); font: 700 20px var(--mono); }
.stepper output { min-width: 64px; text-align: center; font: 900 34px var(--display); font-variant-numeric: tabular-nums; }
.check { display: flex; gap: 10px; align-items: center; font-size: 15px; }
.check input { width: 20px; height: 20px; accent-color: var(--led-burst); }
.panel { background: var(--floor); border: 1px solid var(--rule); border-radius: 14px; padding: 18px; display: grid; gap: 12px; min-width: 0; }
.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font: 500 11px var(--mono); }
.history { width: 100%; border-collapse: collapse; font-size: 14px; }
.history th, .history td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--rule); }
.history th { font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.history td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tablebox { overflow-x: auto; }

/* ---------- Play screen ---------- */
.play { min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; background: radial-gradient(ellipse 60% 55% at 50% 0%, color-mix(in srgb, var(--led) 15%, transparent), transparent 70%), var(--floor); transition: background .35s; }
.play[data-phase="preview"] { --led: var(--led-learn); }
.play[data-phase="count"] { --led: var(--led-count); }
.play[data-phase="burst"] { --led: var(--led-burst); }
.play[data-phase="chill"] { --led: var(--led-chill); }
.play[data-phase="steady"] { --led: var(--led-warm); }
.play[data-phase="paused"] { --led: var(--muted); }
.play-top { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; padding: calc(12px + env(safe-area-inset-top, 0px)) var(--gutter) 12px; border-bottom: 1px solid var(--rule); font: 500 14px var(--mono); color: var(--muted); }
.play-top .drill-name { color: var(--house); font: 600 17px var(--text); }
.play-top .right { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; }
.play-top b { color: var(--house); font-weight: 600; }
.iconbtn { background: var(--floor-2); border: 1px solid var(--rule); border-radius: 999px; padding: 6px 12px; font: 600 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--house); }

.play-main { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.6fr); min-height: 0; }
.play[data-view="big"] .play-main { grid-template-columns: 1fr; }
.play[data-view="big"] .music { display: none; }
@media (max-width: 860px) { .play-main { grid-template-columns: 1fr; } }
.readout { display: grid; gap: 8px; align-content: center; justify-items: center; text-align: center; padding: 22px var(--gutter); border-right: 1px solid var(--rule); }
@media (max-width: 860px) { .readout { border-right: 0; border-bottom: 1px solid var(--rule); padding-block: 16px; } }
.phase-pill { display: inline-flex; align-items: center; gap: 10px; font: 600 15px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--led); }
.bignum { font: 900 clamp(110px, 17vw, 210px)/.84 var(--display); font-variant-numeric: tabular-nums; }
.play[data-view="big"] .bignum { font-size: clamp(150px, 30vw, 340px); }
.unit { font: 600 14px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.beats { display: flex; gap: 12px; margin-top: 6px; }
.beats i { width: 18px; height: 18px; border-radius: 50%; background: var(--floor-2); border: 1px solid var(--rule); }
.beats i.on { background: var(--led); border-color: var(--led); box-shadow: 0 0 14px var(--led); }
.beats i.on.one { transform: scale(1.25); }
.hint { font-size: 17px; color: var(--house); max-width: 32ch; min-height: 3.1em; }
.streak { display: flex; gap: 6px; align-items: center; font: 500 13px var(--mono); color: var(--muted); }
.streak i { width: 12px; height: 12px; border-radius: 3px; background: var(--floor-3); }
.streak i.on { background: var(--led-done); }
.flash { font: 700 22px var(--display); letter-spacing: .08em; text-transform: uppercase; min-height: 1.2em; color: var(--led-done); }
.flash.easier { color: var(--led-chill); }

.music { padding: 18px var(--gutter); display: grid; gap: 14px; align-content: start; min-width: 0; }
.music > *, .intro-main > *, .panel > * { min-width: 0; }
.music, .intro-main { grid-template-columns: minmax(0, 1fr); }
.music-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.label { font: 600 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.play[data-view="tab"] .neck-box, .play[data-view="neck"] .tab-box { display: none; }

/* Tab */
.tabscroll { position: relative; overflow-x: auto; scroll-behavior: smooth; padding-bottom: 4px; }
.tab { display: grid; grid-auto-flow: column; grid-template-columns: 30px; grid-auto-columns: minmax(36px, 1fr); grid-template-rows: repeat(7, 30px); font-family: var(--mono); font-size: 17px; width: max-content; min-width: 100%; }
.tab .sn { position: sticky; left: 0; z-index: 2; background: color-mix(in srgb, var(--floor) 92%, transparent); color: var(--muted); font-size: 13px; display: flex; align-items: center; padding-right: 8px; }
.tab .cell { position: relative; display: flex; align-items: center; justify-content: center; }
.tab .cell::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--rule); }
.tab .col-beat { border-left: 2px solid var(--floor-3); }
.tab .n { position: relative; background: var(--floor); padding: 0 4px; border-radius: 4px; font-weight: 600; white-space: nowrap; }
.tab .n small { color: var(--led-done); font-size: 12px; margin-right: 1px; }
.tab .pk { display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 15px; border-top: 1px solid var(--rule); }
.tab .pk.legato { color: var(--led-done); font-size: 13px; }
.tab .now .n { background: var(--led); color: var(--blackout); box-shadow: 0 0 14px var(--led); }
.tab .now .n small { color: var(--blackout); }
.tab .pk.now { color: var(--house); font-weight: 600; }
.tab .sn.pkn { border-top: 1px solid var(--rule); font-size: 10px; letter-spacing: .1em; }

/* Fretboard */
.neckscroll { overflow-x: auto; padding-bottom: 4px; }
.neck { position: relative; display: flex; min-width: 100%; }
.neck.whole { min-width: 980px; }
.neck.lefty { flex-direction: row-reverse; }
.fretcol { position: relative; display: grid; grid-template-rows: 18px repeat(6, 28px) 14px; flex: var(--w) 1 0; min-width: 30px; }
.fretnum { display: flex; align-items: center; justify-content: center; font: 600 11px var(--mono); color: var(--muted); }
.fretnum.mark { color: var(--house); }
.fcell { position: relative; display: flex; align-items: center; justify-content: center; background: linear-gradient(180deg, var(--wood-1), var(--wood-2)); border-right: 2px solid var(--fretwire); }
.neck.lefty .fcell { border-right: 0; border-left: 2px solid var(--fretwire); }
.fretcol.nut .fcell { background: var(--blackout); border-right: 5px solid #d9d4c7; }
.neck.lefty .fretcol.nut .fcell { border-right: 0; border-left: 5px solid #d9d4c7; }
.fcell::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: var(--g, 1px); background: var(--stringc); opacity: .75; }
.inlays { display: flex; align-items: center; justify-content: center; gap: 4px; }
.inlays i { width: 7px; height: 7px; border-radius: 50%; background: var(--floor-3); }
.dot { position: relative; z-index: 1; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font: 600 11px var(--mono); background: var(--floor-2); border: 1.5px solid var(--muted); color: var(--house); transition: transform .08s; }
.dot.next { border-style: dashed; border-color: var(--led); }
.dot.now { background: var(--led); border-color: var(--house); color: var(--blackout); transform: scale(1.22); box-shadow: 0 0 14px var(--led); }
.dot.tap { border-radius: 6px; }

.controls { position: sticky; bottom: 0; z-index: 5; background: color-mix(in srgb, var(--floor) 94%, transparent); backdrop-filter: blur(6px); display: grid; grid-template-columns: 1fr 1.6fr 1fr 1fr; gap: 10px; padding: 14px var(--gutter) calc(14px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--rule); }
@media (max-width: 620px) { .controls { grid-template-columns: 1fr 1fr 1fr; gap: 8px; } .controls .big { grid-column: 1 / -1; order: -1; padding-block: 10px; } .ctrl { padding: 10px 6px; font-size: 18px; } .ctrl small { display: none; } }
.ctrl { display: grid; justify-items: center; gap: 2px; padding: 14px 8px; border-radius: 12px; border: 1px solid var(--rule); background: var(--floor-2); font: 700 21px var(--display); letter-spacing: .06em; text-transform: uppercase; }
.ctrl small { font: 500 11px var(--mono); letter-spacing: .06em; color: var(--muted); text-transform: none; }
.ctrl.big { background: var(--led); color: var(--blackout); border-color: var(--led); font-size: 28px; }
.ctrl.big small { color: color-mix(in srgb, var(--blackout) 70%, transparent); }
.ctrl.clean { border-color: color-mix(in srgb, var(--led-done) 60%, transparent); }
.ctrl:active { transform: translateY(1px); }

/* ---------- Review ---------- */
.review { max-width: 900px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.stat { background: var(--floor); border: 1px solid var(--rule); border-radius: 12px; padding: 14px; display: grid; gap: 4px; }
.stat b { font: 900 44px/1 var(--display); font-variant-numeric: tabular-nums; }
.stat span { font: 500 12px var(--mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.qs { display: grid; gap: 18px; }
.q { display: grid; gap: 8px; }
.q h3 { font-size: 20px; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { padding: 10px 16px; border-radius: 999px; border: 1px solid var(--rule); background: var(--floor-2); font: 600 14px var(--mono); }
.choice[aria-pressed="true"] { border-color: var(--led-done); color: var(--led-done); background: color-mix(in srgb, var(--led-done) 10%, var(--floor-2)); }
.choice.pain[aria-pressed="true"] { border-color: var(--led-burst); color: var(--led-burst); background: color-mix(in srgb, var(--led-burst) 10%, var(--floor-2)); }
.rating { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; }
.rating .stars { font-size: 30px; }
.callout { border-left: 3px solid var(--spot); padding: 4px 0 4px 14px; }
.callout.stop { border-color: var(--led-burst); }

/* ---------- Settings sheet ---------- */
.sheet-back { position: fixed; inset: 0; background: rgb(0 0 0 / .55); z-index: 50; display: flex; justify-content: flex-end; }
.sheet { width: min(460px, 100%); height: 100%; overflow-y: auto; background: var(--floor); border-left: 1px solid var(--rule); padding: calc(20px + env(safe-area-inset-top, 0px)) 22px 40px; display: grid; gap: 20px; align-content: start; }
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.field { display: grid; gap: 6px; }
.field > span { font: 600 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.field select, .field input[type="range"] { width: 100%; }
.field select { background: var(--floor-2); border: 1px solid var(--rule); border-radius: 8px; padding: 9px 10px; }
.field input[type="range"] { accent-color: var(--led-burst); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--rule); background: var(--floor-2); font: 600 13px var(--mono); }
.seg button[aria-pressed="true"] { border-color: var(--house); }
.keys { font-size: 14px; color: var(--muted); display: grid; gap: 4px; }
.keys kbd { font: 600 12px var(--mono); background: var(--floor-2); border: 1px solid var(--rule); border-radius: 5px; padding: 1px 6px; color: var(--house); }

/* Big timer (above the BPM) */
.timer-big { display: grid; justify-items: center; gap: 4px; margin-bottom: 6px; }
.timer-note { font: 600 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.timer-num { font: 900 clamp(56px, 7vw, 92px)/.9 var(--display); font-variant-numeric: tabular-nums; color: var(--house); letter-spacing: .02em; }
.timer-bar { width: min(260px, 70vw); height: 6px; border-radius: 3px; background: var(--floor-3); overflow: hidden; }
.timer-bar i { display: block; height: 100%; background: var(--house); transform-origin: left; transition: transform .25s linear; }
.timer-big[data-state="warn"] .timer-num, .timer-big[data-state="warn"] .timer-note { color: var(--led-count); }
.timer-big[data-state="warn"] .timer-bar i { background: var(--led-count); }
.timer-big[data-state="last"] .timer-num, .timer-big[data-state="last"] .timer-note { color: var(--led-burst); }
.timer-big[data-state="last"] .timer-bar i { background: var(--led-burst); }
.timer-big[data-state="last"] .timer-num { animation: timer-pulse 1s ease-in-out infinite; }
@keyframes timer-pulse { 50% { opacity: .55; } }
.play[data-view="big"] .timer-num { font-size: clamp(80px, 12vw, 150px); }
.play[data-timer="small"] .timer-big { display: none; }
.play[data-timer="big"] .top-clock { display: none; }
.play-tip { font-size: 14px; color: var(--muted); max-width: 36ch; min-height: 2.6em; margin-top: 4px; }
@media (prefers-reduced-motion: reduce) { .timer-big[data-state="last"] .timer-num { animation: none; } .timer-bar i { transition: none; } }

/* Tips and Why it works */
.tip-card { border-left: 3px solid var(--led-count); }
.tip-text { font-size: 16px; color: var(--house); }
.tip-src { font: 500 12px var(--mono); color: var(--muted); }
.linklike { background: none; border: 0; padding: 0; color: var(--spot); font: 600 14px var(--text); text-align: left; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.fact-list { margin: 0; padding-left: 18px; display: grid; gap: 10px; font-size: 15px; }

/* Reading help and lesson */
.howto { border-top: 1px solid var(--rule); padding-top: 10px; }
.howto summary { cursor: pointer; font: 600 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--spot); }
.howto[open] summary { margin-bottom: 10px; }
.howto .btn { margin-top: 12px; }
.legend { display: grid; gap: 8px; }
.legend h4 { margin: 8px 0 0; font: 600 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.legend-row { display: grid; grid-template-columns: 116px 1fr; gap: 12px; align-items: baseline; font-size: 15px; }
.legend-row .sym { white-space: nowrap; font: 600 15px var(--mono); color: var(--house); background: var(--floor-2); border: 1px solid var(--rule); border-radius: 6px; padding: 2px 8px; text-align: center; }
.lesson { max-width: 900px; }
.lesson-step { display: grid; gap: 12px; }
.lesson-text { display: grid; gap: 8px; max-width: 68ch; }
.lesson-text p { color: var(--house); }
.learn-note { padding-block: 12px; }

/* Drill packs */
.pack-list { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 15px; }
.pack-status { display: grid; gap: 8px; }
.pack-card h3 { font-size: 22px; }

/* Warm-up / gate dialogs */
.dialog { max-width: 620px; margin: 8vh auto 0; background: var(--floor); border: 1px solid var(--rule); border-radius: 16px; padding: 26px; display: grid; gap: 16px; }

@media (prefers-reduced-motion: reduce) {
	.play, .dot, .tabscroll { transition: none; scroll-behavior: auto; }
}

.notice video.tour { display: block; width: 100%; max-width: 860px; margin-top: 14px; border-radius: 10px; background: #000; }