/* ==========================================================================
   Typing Tutor — styles. Two looks, matching trustneracademy.com:
   dark "console" (default) and light "paper", switched by <html data-theme>.
   ========================================================================== */
:root {
  --f-pinky: #F472B6; --f-ring: #A78BFA; --f-middle: #60A5FA; --f-index: #34D399; --f-thumb: #FBBF24;
  --ku: 46px; --kg: 6px; --radius: 14px;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}
:root[data-theme='dark'] {
  --bg: #070F1C; --surface: #0E1C33; --surface-2: #12233F; --line: #1B2C4D; --line-strong: #2A4470;
  --ink: #E6EDF7; --ink-2: #A9B7CC; --ink-3: #6E819E; --brand: #3B82F6; --brand-ink: #60A5FA; --on-brand: #fff;
  --ok: #34D399; --bad: #F87171; --fix: #FBBF24; --key: #10213B; --key-ink: #C9D6EA; --shadow: 0 10px 30px rgba(0,0,0,.35);
  --font-display: 'Chakra Petch', 'Inter', system-ui, sans-serif;
}
:root[data-theme='light'] {
  --bg: #FAF7F0; --surface: #FFFFFF; --surface-2: #F3EEE3; --line: #E5DED0; --line-strong: #CFC5B2;
  --ink: #1D2433; --ink-2: #4A5568; --ink-3: #7A8496; --brand: #1E4FA8; --brand-ink: #1E4FA8; --on-brand: #fff;
  --ok: #15803D; --bad: #B91C1C; --fix: #B45309; --key: #FFFFFF; --key-ink: #1D2433; --shadow: 0 8px 24px rgba(60,48,20,.10);
  --font-display: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font-body); -webkit-font-smoothing: antialiased; }
:root[data-theme='dark'] body {
  background-image: radial-gradient(1100px 520px at 78% -8%, rgba(59,130,246,.16), transparent 60%), radial-gradient(900px 480px at 6% 4%, rgba(34,211,238,.10), transparent 55%);
  background-repeat: no-repeat;
}
a { color: var(--brand-ink); }
kbd { font: 600 .85em var(--font-mono); padding: .1em .45em; border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 6px; background: var(--surface-2); color: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.small { font-size: .875rem; } .muted { color: var(--ink-3); }
.eyebrow { font: 600 .75rem var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--brand-ink); }
.display { font: 700 clamp(2rem, 4.6vw, 3.2rem)/1.1 var(--font-display); margin: .35em 0 .4em; letter-spacing: -.01em; }
.display em { font-style: normal; color: var(--brand-ink); }
:root[data-theme='dark'] .display em { background: linear-gradient(90deg, #60A5FA, #22D3EE); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2 { font: 700 1.5rem var(--font-display); margin: 40px 0 14px; }
.lede { font-size: 1.1rem; color: var(--ink-2); max-width: 760px; }
.note { padding: 10px 14px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-2); max-width: 760px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font: 600 .98rem var(--font-body); text-decoration: none; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { background: var(--surface-2); }
.btn:focus-visible, .tile:focus-visible, .hbtn:focus-visible, .hbtn2:focus-visible, .linkbtn:focus-visible { outline: 3px solid var(--brand-ink); outline-offset: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.actions.center { justify-content: center; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--brand-ink); font: inherit; cursor: pointer; text-decoration: underline; }
.iconbtn { background: none; border: 1px solid var(--line-strong); color: var(--ink); width: 38px; height: 38px; border-radius: 10px; cursor: pointer; font-size: 1.1rem; }

/* top bar */
.top { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { height: 30px; width: auto; }
:root[data-theme='dark'] .logo-light, :root[data-theme='light'] .logo-dark { display: none; }
.bdiv { width: 1px; height: 24px; background: var(--line-strong); }
.prod { font: 700 1.05rem var(--font-display); }
.toplinks { display: flex; gap: 18px; margin-left: 10px; }
.toplinks a { color: var(--ink-2); text-decoration: none; font-size: .93rem; }
.toplinks a:hover { color: var(--ink); }
.toplink { margin-left: auto; color: var(--ink-2); text-decoration: none; font-size: .9rem; }
@media (max-width: 760px) { .toplinks { display: none; } .bdiv, .prod { display: none; } }

/* home */
.hero { padding: 48px 0 8px; }
.hero.small { padding-top: 36px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 34px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat span { display: block; font: 600 .72rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.stat b { display: block; font: 700 2rem/1.2 var(--font-display); margin: 4px 0 2px; }
.stat b small { font-size: .9rem; color: var(--ink-3); font-weight: 600; }
.stat em { font-style: normal; font-size: .85rem; color: var(--ink-2); }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stagecard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 20px; margin-bottom: 16px; }
.sc-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.sc-head h3 { font: 700 1.3rem var(--font-display); margin: 2px 0 0; }
.sc-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .85rem; color: var(--ink-3); }
.sc-blurb { color: var(--ink-2); margin: 8px 0 14px; font-size: .95rem; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.tile { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); text-decoration: none; transition: transform .12s, border-color .12s; }
.tile:hover { transform: translateY(-2px); border-color: var(--brand-ink); }
.tile.next { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand) inset; }
.tile.next::after { content: 'Next'; position: absolute; top: 10px; right: 10px; font: 600 .66rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--brand-ink); }
.tile.locked { opacity: .5; }
.tile.locked:hover { transform: none; border-color: var(--line); }
.tnum { font: 600 .78rem var(--font-mono); color: var(--ink-3); }
.ttitle { font-weight: 600; font-size: .95rem; }
.tbest { font-size: .78rem; color: var(--ink-3); }
.lock { font-size: .9rem; }
.stars i { font-style: normal; color: var(--line-strong); font-size: 1rem; letter-spacing: 1px; }
.stars i.on { color: #FBBF24; }
.unlock { margin: 18px 0 8px; }

/* guide */
.guide { display: grid; gap: 14px; margin-top: 20px; }
.guide > .card { min-width: 0; } /* lets the keyboard chart scroll inside the card on phones */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.card h3 { font: 700 1.15rem var(--font-display); margin: 0 0 8px; }
.card ul { margin: 0; padding-left: 20px; } .card li { margin: 4px 0; } .card p { margin: 6px 0; color: var(--ink-2); }
.legend { display: flex; flex-wrap: wrap; gap: 16px; margin: 12px 0; font-size: .9rem; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }
.dot.ft-pinky { background: var(--f-pinky); } .dot.ft-ring { background: var(--f-ring); } .dot.ft-middle { background: var(--f-middle); } .dot.ft-index { background: var(--f-index); } .dot.ft-thumb { background: var(--f-thumb); }

/* keyboard */
.kb { display: flex; justify-content: center; margin: 18px 0 6px; }
.kb.static { margin: 14px 0 4px; overflow-x: auto; justify-content: flex-start; }
.kb-in { display: flex; flex-direction: column; gap: var(--kg); padding: 14px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.krow { display: flex; gap: var(--kg); }
.key {
  position: relative; width: calc(var(--ku) * var(--w, 1) + var(--kg) * (var(--w, 1) - 1)); height: var(--ku);
  display: flex; align-items: center; justify-content: center; border-radius: 9px; background: var(--key); color: var(--key-ink);
  border: 1px solid var(--line-strong); border-bottom: 4px solid var(--fc, var(--line-strong)); font: 600 .95rem var(--font-mono);
  transition: transform .08s, background .12s, box-shadow .12s; user-select: none;
}
.key.ft-pinky { --fc: var(--f-pinky); } .key.ft-ring { --fc: var(--f-ring); } .key.ft-middle { --fc: var(--f-middle); } .key.ft-index { --fc: var(--f-index); } .key.ft-thumb { --fc: var(--f-thumb); } .key.ft-none { --fc: var(--line-strong); opacity: .55; }
.kl.small { font-size: .68rem; color: var(--ink-3); font-family: var(--font-body); font-weight: 600; }
.kl.dual { display: flex; flex-direction: column; align-items: center; line-height: 1; font-size: .78rem; gap: 3px; }
.kl.dual i { font-style: normal; } .kl.dual i:first-child { color: var(--ink-3); font-size: .68rem; }
.bump { position: absolute; bottom: 8px; left: 50%; width: 12px; height: 2px; margin-left: -6px; border-radius: 2px; background: var(--ink-3); }
.key.on { background: var(--fc); color: #0B1220; border-color: var(--fc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--fc) 35%, transparent), 0 0 22px color-mix(in srgb, var(--fc) 55%, transparent); transform: translateY(-1px); animation: pulse 1.2s ease-in-out infinite; }
.key.on .kl, .key.on .kl.dual i, .key.on .kl.small { color: #0B1220; }
.key.on .bump { background: #0B1220; }
.key.err { animation: errflash .35s; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--fc) 25%, transparent), 0 0 30px color-mix(in srgb, var(--fc) 45%, transparent); } }
@keyframes errflash { 0%, 100% { outline: 0 solid var(--bad); } 30% { outline: 3px solid var(--bad); outline-offset: 2px; } }
.hide-keys .kb .kl { visibility: hidden; }

/* hands */
.handswrap { display: flex; justify-content: center; width: 100%; }
.hands { width: min(560px, 100%); height: auto; }
.hands .palm { fill: var(--surface-2); stroke: var(--line-strong); stroke-width: 1.5; }
:root[data-theme='dark'] .hands .palm { fill: #16294A; }
.hands .fg { stroke: var(--line-strong); stroke-width: 1; opacity: .38; transition: opacity .12s; }
.hands .ft-pinky { fill: var(--f-pinky); } .hands .ft-ring { fill: var(--f-ring); } .hands .ft-middle { fill: var(--f-middle); } .hands .ft-index { fill: var(--f-index); } .hands .ft-thumb { fill: var(--f-thumb); }
.hands .fg.on { opacity: 1; stroke: var(--ink); stroke-width: 2; filter: drop-shadow(0 0 8px rgba(255,255,255,.35)); }
.hands .hl { font: 600 11px var(--font-mono); letter-spacing: .12em; fill: var(--ink-3); }
.no-hands .handswrap { display: none; }

/* practice screen */
.hall { min-height: 100vh; display: flex; flex-direction: column; }
.hall-top { display: flex; align-items: center; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--surface); flex-wrap: wrap; }
.hbtn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-strong); color: var(--ink); text-decoration: none; font-size: 1.1rem; }
.htitle { display: flex; flex-direction: column; min-width: 0; }
.htitle b { font: 700 1.05rem var(--font-display); }
.htitle span { font-size: .82rem; color: var(--ink-3); }
.hstats { display: flex; gap: 22px; margin-left: auto; }
.hstats div { text-align: center; min-width: 64px; }
.hstats span { display: block; font: 600 .66rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.hstats b { font: 700 1.45rem var(--font-display); }
.hacts { display: flex; gap: 8px; }
.hbtn2 { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line-strong); border-radius: 10px; padding: 8px 12px; font: 600 .85rem var(--font-body); cursor: pointer; }
.hbtn2[aria-pressed='true'] { border-color: var(--brand-ink); color: var(--brand-ink); }
.progress { height: 4px; background: var(--line); }
.progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), #22D3EE); transition: width .2s; }
.stage { flex: 1; display: flex; flex-direction: column; align-items: center; padding: 26px 16px 30px; }
.prompt { width: min(900px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px 30px; box-shadow: var(--shadow); }
.line { font: 500 clamp(1.15rem, 2.2vw, 1.6rem)/1.5 var(--font-mono); white-space: pre-wrap; overflow-wrap: break-word; } /* 52-character lines fit on one row at full size */
.line.cur span { color: var(--ink-3); border-bottom: 3px solid transparent; }
.line.cur span.ok { color: var(--ok); }
.line.cur span.fix { color: var(--fix); }
.line.cur span.now { color: var(--ink); border-bottom-color: var(--brand-ink); background: color-mix(in srgb, var(--brand) 18%, transparent); border-radius: 4px 4px 0 0; animation: caret 1s steps(1) infinite; }
.line.cur span.now.bad { background: color-mix(in srgb, var(--bad) 28%, transparent); border-bottom-color: var(--bad); color: var(--bad); }
.line.cur span.sp.now::after { content: '·'; position: relative; left: -.6em; color: var(--ink-3); }
.line.nxt { color: var(--ink-3); opacity: .55; font-size: clamp(1rem, 2vw, 1.3rem); margin-top: 10px; min-height: 1.5em; }
@keyframes caret { 50% { border-bottom-color: transparent; } }
.prompt.shake { animation: shake .18s; }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.hint { margin: 16px 0 0; min-height: 1.6em; color: var(--ink-2); text-align: center; font-size: 1rem; }
.hint b { color: var(--ink); }
.caps { margin: 10px 0 0; padding: 8px 14px; border-radius: 10px; background: color-mix(in srgb, var(--bad) 18%, transparent); color: var(--bad); font-weight: 600; }
@media (max-width: 900px) { :root { --ku: 36px; --kg: 4px; } .key { font-size: .8rem; } }
@media (max-width: 640px) { :root { --ku: 21px; --kg: 3px; } .key { font-size: .62rem; border-bottom-width: 3px; border-radius: 5px; } .kl.dual { font-size: .55rem; } .kl.dual i:first-child, .kl.small { display: none; } .kb-in { padding: 8px; } .hstats { gap: 12px; } .hstats b { font-size: 1.15rem; } .prompt { padding: 18px; } }
@media (prefers-reduced-motion: reduce) { .key.on, .line.cur span.now { animation: none; } .prompt.shake { animation: none; } }

/* results */
.modal-back { position: fixed; inset: 0; background: rgba(3,8,18,.62); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50; backdrop-filter: blur(3px); }
.modal { width: min(560px, 100%); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 20px; padding: 28px 28px 22px; text-align: center; box-shadow: var(--shadow); }
.modal .stars i { font-size: 2.2rem; letter-spacing: 6px; }
.modal h2 { font: 700 1.7rem var(--font-display); margin: 6px 0 4px; }
.rmsg { color: var(--ink-2); margin: 0 0 18px; }
.rstats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.rstats div { background: var(--surface-2); border-radius: 12px; padding: 12px 6px; }
.rstats span { display: block; font: 600 .66rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.rstats b { display: block; font: 700 1.7rem var(--font-display); }
.rstats em { font-style: normal; font-size: .78rem; color: var(--ink-3); }
.miss { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; margin: 16px 0 4px; }
.miss span { font-size: .88rem; color: var(--ink-2); }
.miss kbd { border-bottom: 3px solid var(--fc, var(--line-strong)); }
.miss kbd.ft-pinky { --fc: var(--f-pinky); } .miss kbd.ft-ring { --fc: var(--f-ring); } .miss kbd.ft-middle { --fc: var(--f-middle); } .miss kbd.ft-index { --fc: var(--f-index); } .miss kbd.ft-thumb { --fc: var(--f-thumb); }

/* footer + toast */
.foot { border-top: 1px solid var(--line); margin-top: 56px; padding: 22px 0 34px; color: var(--ink-3); font-size: .88rem; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink); padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow); transition: opacity .2s, transform .2s; z-index: 60; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Phones and tablets without a keyboard: say so up front (the lessons still render) */
.touch-note { display: none; }
@media (hover: none) and (pointer: coarse) {
  .touch-note { display: block; margin: 0; padding: 10px 16px; background: var(--f-thumb); color: #1A1300; font: 600 13px/1.45 var(--font-body, Inter, sans-serif); text-align: center; }
}

/* ---------- v2: navigation, home extras ---------- */
.toplinks a[aria-current='page'] { color: var(--ink); font-weight: 600; box-shadow: 0 2px 0 var(--brand-ink); }
.h2 small { font: 500 .9rem var(--font-body); color: var(--ink-3); margin-left: 8px; }
.goal { display: flex; align-items: center; gap: 18px; margin-top: 26px; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); flex-wrap: wrap; }
.goal-txt { display: flex; flex-direction: column; min-width: 220px; }
.goal-txt span { font-size: .85rem; color: var(--ink-3); }
.goal-bar { flex: 1; min-width: 160px; height: 10px; border-radius: 6px; background: var(--line); overflow: hidden; }
.goal-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--f-index), #22D3EE); border-radius: 6px; transition: width .3s; }
.stats { margin-top: 16px; }
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px; }
.mode { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; transition: transform .12s, border-color .12s; }
.mode:hover { transform: translateY(-2px); border-color: var(--brand-ink); }
.mode b { font: 700 1.05rem var(--font-display); }
.mode span:last-child { font-size: .86rem; color: var(--ink-2); }
.micon { font-size: 1.6rem; line-height: 1; }
.micon.big { font-size: 2.6rem; }
@media (max-width: 900px) { .modes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .modes { grid-template-columns: 1fr; } }
.stagecard.sdone { border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); }
.certcta { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 20px 22px; border-radius: var(--radius); border: 1px dashed var(--line-strong); background: var(--surface); margin-top: 6px; }
.certcta h3 { font: 700 1.2rem var(--font-display); margin: 2px 0 4px; }
.certcta p { margin: 0; color: var(--ink-2); }

/* practice screen: intro shown before the first key */
.hint { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.startline { color: var(--ink-3); font-size: .92rem; }
.newkeys { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 14px; }
.newkeys > b { font: 600 .72rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--brand-ink); }
.nk { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); font-size: .9rem; }
.nk kbd, .focus kbd { font-size: 1rem; min-width: 1.9em; text-align: center; border-bottom: 3px solid var(--fc, var(--line-strong)); }
kbd.ft-pinky { --fc: var(--f-pinky); } kbd.ft-ring { --fc: var(--f-ring); } kbd.ft-middle { --fc: var(--f-middle); } kbd.ft-index { --fc: var(--f-index); } kbd.ft-thumb { --fc: var(--f-thumb); }
.introtxt { max-width: 720px; }

/* practice zone */
.pz { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
.pzc { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.pzc.wide { grid-column: 1 / -1; }
.pzc .btn { margin-top: auto; }
.gamec { flex-direction: row; justify-content: space-between; align-items: center; flex-wrap: wrap; }
@media (max-width: 760px) { .pz { grid-template-columns: 1fr; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 4px 0; }
.chip { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 14px; font: 600 .86rem var(--font-body); cursor: pointer; }
.chip[aria-pressed='true'] { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.packs { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0; }
.pack { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink); text-decoration: none; font: 600 .92rem var(--font-body); cursor: pointer; }
.pack span { font-size: 1.2rem; }
.pack em { font-style: normal; font-size: .75rem; color: var(--ink-3); font-weight: 500; }
.pack:hover { border-color: var(--brand-ink); }
.pack[aria-pressed='true'] { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand) inset; }
.focus { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 4px 0 8px; }
.focus > span { font-size: .85rem; color: var(--ink-3); margin-right: 4px; }
textarea, .namerow input { width: 100%; font: 400 1rem/1.5 var(--font-body); color: var(--ink); background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: 12px; padding: 12px 14px; }
textarea:focus-visible, .namerow input:focus-visible, .chip:focus-visible, .pack:focus-visible, .mode:focus-visible { outline: 3px solid var(--brand-ink); outline-offset: 2px; }
.btn:disabled { opacity: .5; cursor: default; }

/* stats */
.card.sc { margin-top: 16px; }
.card h3 + p { margin-top: 0; }
.heat .key { border-bottom-color: var(--line-strong); }
.heat .key.h4 { background: color-mix(in srgb, #22C55E 55%, var(--key)); }
.heat .key.h3 { background: color-mix(in srgb, #A3E635 50%, var(--key)); }
.heat .key.h2 { background: color-mix(in srgb, #FACC15 55%, var(--key)); }
.heat .key.h1 { background: color-mix(in srgb, #FB923C 60%, var(--key)); }
.heat .key.h0 { background: color-mix(in srgb, #EF4444 60%, var(--key)); }
.heat .key.h4 .kl, .heat .key.h3 .kl, .heat .key.h2 .kl, .heat .key.h1 .kl, .heat .key.h0 .kl, .heat .key.h4 .kl i, .heat .key.h3 .kl i, .heat .key.h2 .kl i, .heat .key.h1 .kl i, .heat .key.h0 .kl i { color: #0B1220; }
.heatlegend { display: flex; flex-wrap: wrap; gap: 14px; font-size: .82rem; color: var(--ink-2); margin: 6px 0; }
.heatlegend span { display: inline-flex; align-items: center; gap: 6px; }
.heatlegend i { width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--line-strong); }
.heatlegend .h4 { background: #22C55E; } .heatlegend .h3 { background: #A3E635; } .heatlegend .h2 { background: #FACC15; } .heatlegend .h1 { background: #FB923C; } .heatlegend .h0 { background: #EF4444; } .heatlegend .hx { background: var(--key); }
.chart { width: 100%; height: auto; display: block; margin-top: 6px; }
.chart .gl { stroke: var(--line); stroke-width: 1; }
.chart .ax { fill: var(--ink-3); font: 500 11px var(--font-mono); }
.chart .ln { fill: none; stroke: var(--brand-ink); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .pt { fill: var(--surface); stroke: var(--brand-ink); stroke-width: 2; }
.bars { position: relative; display: flex; align-items: flex-end; gap: 6px; height: 150px; padding: 0 0 22px; margin: 10px 0 12px; border-bottom: 1px solid var(--line); }
.bar { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; position: relative; }
.bar i { display: block; width: 100%; max-width: 34px; background: color-mix(in srgb, var(--brand-ink) 55%, transparent); border-radius: 5px 5px 0 0; }
.bar.met i { background: var(--f-index); }
.bar span { position: absolute; bottom: -20px; font: 500 11px var(--font-mono); color: var(--ink-3); }
.bar.today span { color: var(--ink); font-weight: 700; }
.goalline { position: absolute; left: 0; right: 0; border-top: 2px dashed var(--f-thumb); margin-bottom: 22px; pointer-events: none; }
.goalline span { position: absolute; right: 0; top: -18px; font: 600 11px var(--font-mono); color: var(--ink-3); }

/* certificate */
.stagelist { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.stagelist li { color: var(--ink-2); } .stagelist li.ok { color: var(--ok); font-weight: 600; }
.namerow { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 16px; max-width: 760px; }
.namerow label { font-weight: 600; }
.namerow input { flex: 1; min-width: 220px; }
.cert { margin: 26px auto 0; max-width: 900px; background: #FFFDF7; color: #1D2433; border-radius: 6px; padding: 18px; box-shadow: var(--shadow); }
.cert-in { border: 3px double #1E4FA8; border-radius: 4px; padding: 40px 48px; text-align: center; }
.cert .logo-dark { display: none !important; } .cert .logo-light { display: inline !important; height: 54px; width: auto; }
.cert .eyebrow { color: #1E4FA8; margin-top: 10px; }
.cert h2 { font: 700 2.4rem 'Inter', serif; margin: 10px 0 6px; letter-spacing: .01em; }
.cert-small { margin: 18px 0 2px; color: #4A5568; }
.cert-name { font: 700 2rem var(--font-body); margin: 4px auto 10px; padding-bottom: 6px; border-bottom: 2px solid #CFC5B2; display: inline-block; min-width: 60%; }
.cert-body { max-width: 600px; margin: 8px auto 20px; color: #4A5568; }
.cert-stats { display: flex; justify-content: center; gap: 34px; flex-wrap: wrap; margin: 12px 0 22px; }
.cert-stats span { display: block; font: 600 .7rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: #7A8496; }
.cert-stats b { font-size: 1.2rem; }
.cert-foot { font-size: .76rem; color: #7A8496; margin: 0; }
@media (max-width: 640px) { .cert-in { padding: 24px 16px; } .cert h2 { font-size: 1.6rem; } .cert-name { font-size: 1.4rem; } }
@media print {
  @page { size: A4 landscape; margin: 12mm; }
  body { background: #fff !important; }
  .top, .foot, .noprint, .touch-note, #toast { display: none !important; }
  .cert { box-shadow: none; margin: 0 auto; }
}

/* Word Rain */
.game .stage { padding-top: 16px; }
.rain { position: relative; width: min(980px, 100%); height: clamp(320px, 52vh, 520px); border-radius: 18px; border: 1px solid var(--line); overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 14%, var(--surface)) 0%, var(--surface) 75%); box-shadow: var(--shadow); }
.ground { position: absolute; left: 0; right: 0; bottom: 0; height: 34px; background: color-mix(in srgb, var(--f-index) 30%, var(--surface-2)); border-top: 2px solid color-mix(in srgb, var(--f-index) 60%, transparent); }
.drop { position: absolute; left: 0; top: 0; padding: 7px 14px; border-radius: 999px; background: var(--surface); border: 2px solid var(--fc, var(--line-strong)); font: 600 1.35rem var(--font-mono); color: var(--ink); white-space: nowrap; will-change: transform; box-shadow: 0 6px 16px rgba(0,0,0,.18); }
.drop .dt { color: var(--ok); }
.drop.tgt { background: color-mix(in srgb, var(--fc) 22%, var(--surface)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--fc) 40%, transparent), 0 6px 16px rgba(0,0,0,.2); z-index: 2; }
.drop.pop { animation: pop .3s forwards; }
.drop.splash { border-color: var(--bad); color: var(--bad); animation: splash .4s forwards; }
@keyframes pop { to { opacity: 0; scale: 1.5; } }
@keyframes splash { to { opacity: 0; scale: 1.2 .4; } }
.rain.hurt { animation: hurt .35s; }
@keyframes hurt { 30% { box-shadow: inset 0 0 0 4px var(--bad); } }
.rain.miss { animation: shake .18s; }
.gover { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(2px); z-index: 5; }
.gover[hidden] { display: none; }
.gover h2 { font: 700 2rem var(--font-display); margin: 0 0 6px; }
.gover p { color: var(--ink-2); margin: 0; }
.lives { color: var(--bad); letter-spacing: 2px; }
.game .kb { margin-top: 14px; }
@media (max-width: 640px) { .drop { font-size: .9rem; padding: 4px 9px; } }

/* Members area: shown on the course page when Stage 1 is all a visitor can open */
.joinbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 26px; padding: 14px 18px; border-radius: var(--radius); border: 1px solid var(--brand); background: color-mix(in srgb, var(--brand) 10%, var(--surface)); }
.joinbar > div { flex: 1; min-width: 240px; color: var(--ink-2); }
.joinbar .btn { padding: 9px 16px; }