/* Layout: "Pasaporte" design. Mobile first, max 560px column. Blue passport header, boarding-pass mission card,
   stamp grid (4 + 3), blue bottom tab bar. Lesson, week route and stamp animation are full-screen overlays. */
:root {
  --paper: #f4efe6; --card: #ffffff; --ink: #1f2433; --muted: #7d7563; --line: #e2d9c8; --line-2: #c9bfa9;
  --navy: #233152; --navy-fg: #f4efe6; --navy-sub: #b9c2d8; --navy-dim: #9aa6c2;
  --wine: #7a1f2b; --wine-dark: #55121c; --seal: #b0303f; --gold: #e7c873; --sand: #c9b88a;
  --ok: #2f7d55; --ok-soft: #dcefe3; --bad: #b0303f; --bad-soft: #f6dfe1; --warn-soft: #f6ecd0;
  --display: "Young Serif", Georgia, serif;
  --body: "Instrument Sans", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14161d; --card: #1e212b; --ink: #ece6da; --muted: #a39b89; --line: #2e3240; --line-2: #4a4f60;
    --navy: #1a2440; --navy-fg: #f4efe6; --navy-sub: #aab4cc; --navy-dim: #8995b2;
    --wine: #c4515f; --wine-dark: #a63a48; --seal: #e0606e; --gold: #e7c873; --sand: #a8996f;
    --ok: #5cbf8a; --ok-soft: #1c3528; --bad: #e0606e; --bad-soft: #3d1f24; --warn-soft: #3a3219;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #14161d; --card: #1e212b; --ink: #ece6da; --muted: #a39b89; --line: #2e3240; --line-2: #4a4f60;
  --navy: #1a2440; --navy-fg: #f4efe6; --navy-sub: #aab4cc; --navy-dim: #8995b2;
  --wine: #c4515f; --wine-dark: #a63a48; --seal: #e0606e; --gold: #e7c873; --sand: #a8996f;
  --ok: #5cbf8a; --ok-soft: #1c3528; --bad: #e0606e; --bad-soft: #3d1f24; --warn-soft: #3a3219;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--paper); color: var(--ink); font: 500 16px/1.45 var(--body); -webkit-tap-highlight-color: transparent; }
body.lock { overflow: hidden; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
a { color: var(--wine); }
.display { font-family: var(--display); font-weight: 400; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; font-weight: 700; }
.gold { color: var(--sand); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
h1, h2, h3 { margin: 0; }
h2.display { font-size: 24px; line-height: 1.15; }
h3.mono { color: var(--muted); margin: 24px 0 10px; }
p { margin: 0 0 10px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

#app { max-width: 560px; margin: 0 auto; padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
.page { padding: 18px max(16px, env(safe-area-inset-right, 0px)) 24px max(16px, env(safe-area-inset-left, 0px)); display: flex; flex-direction: column; gap: 14px; }
.page > h3.mono { margin-bottom: -4px; }

/* Passport header */
.pass { background: var(--navy); color: var(--navy-fg); padding: calc(22px + env(safe-area-inset-top, 0px)) max(22px, env(safe-area-inset-right, 0px)) 22px max(22px, env(safe-area-inset-left, 0px)); display: flex; flex-direction: column; gap: 10px; }
.pass-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.pass-row.end { align-items: flex-end; }
.pass h1 { font-size: 30px; line-height: 1.05; }
.pass .sub { font-size: 13px; color: var(--navy-sub); font-variant-numeric: tabular-nums; }
.count { text-align: right; }
.count b { display: block; font-size: 40px; line-height: 1; color: var(--gold); font-variant-numeric: tabular-nums; }
.count span { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--navy-sub); }

.banner { display: flex; align-items: center; gap: 8px; background: var(--warn-soft); border: 1.5px dashed var(--sand); border-radius: 12px; padding: 10px 12px; font-size: 14px; }
.banner span { flex: 1; }
.note { background: var(--card); border-left: 4px solid var(--wine); border-radius: 12px; padding: 12px 14px; box-shadow: 0 2px 0 var(--line); white-space: pre-wrap; }
.note small { display: block; color: var(--wine); margin-bottom: 4px; }

/* Boarding pass */
.ticket { background: var(--card); border-radius: 16px; box-shadow: 0 2px 0 var(--line); display: flex; overflow: hidden; }
.ticket-main { flex: 1; min-width: 0; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.ticket-meta { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); }
.route { display: flex; align-items: center; gap: 10px; }
.route .display { font-size: 26px; }
.perf { width: 0; border-left: 2px dashed var(--line); margin: 12px 0; }
.board { width: 74px; flex: none; border: 0; background: var(--wine); color: var(--navy-fg); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.board span { writing-mode: vertical-rl; transform: rotate(180deg); font-weight: 700; font-size: 16px; letter-spacing: .12em; }
.board:disabled { background: var(--ok); cursor: default; }
.board:not(:disabled):active { background: var(--wine-dark); }
.tasks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.task { width: 100%; display: flex; align-items: center; gap: 10px; background: none; border: 0; padding: 6px 0; text-align: left; font-size: 14px; cursor: pointer; min-height: 40px; }
.task .dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line-2); flex: none; display: grid; place-items: center; color: #fff; }
.task.next .dot { border-color: var(--wine); }
.task.next .tl { font-weight: 700; }
.task .tl { flex: 1; min-width: 0; }
.task.done { cursor: default; }
.task.done .dot { background: var(--ok); border-color: var(--ok); }
.task.done .tl { color: var(--muted); text-decoration: line-through; }
.klaar { color: var(--ok); font-weight: 700; font-size: 13px; flex: none; }

/* Stamps */
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-top: 4px; }
.sec-head h2 { font-size: 20px; }
.stamps { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; }
.stamps .stamp { grid-column: span 2; }
.stamps .stamp:nth-child(5) { grid-column: 2 / span 2; }
.stamp { aspect-ratio: 1; border-radius: 14px; border: 2px dashed var(--line-2); background: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); text-align: center; font-size: 12px; padding: 4px; cursor: pointer; line-height: 1.15; }
.stamp .mono { font-size: 8px; letter-spacing: .1em; }
.stamp small { font-size: 10px; opacity: .8; }
.stamp.open { border-color: var(--wine); color: var(--ink); border-style: dashed; }
.stamp.done { border-radius: 50%; border: 3px solid var(--seal); color: var(--seal); transform: rotate(-9deg); }
.stamp.done b { font-size: 14px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--wine); color: #fff; border: 0; border-radius: 14px; padding: 14px 20px; font-weight: 700; font-size: 16px; cursor: pointer; min-height: 48px; }
.btn:active { background: var(--wine-dark); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { background: var(--card); color: var(--ink); border: 1.5px solid var(--line); }
.btn.wide { width: 100%; }
.icon-btn { background: none; border: 0; padding: 8px; border-radius: 10px; cursor: pointer; color: var(--muted); display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; }
.link { background: none; border: 0; color: var(--wine); font-weight: 700; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; padding: 8px 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.status { font-size: 14px; color: var(--muted); min-height: 1.2em; }

/* Tab bar */
.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 15; background: var(--navy); display: flex; justify-content: space-around; padding: 10px max(8px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-left, 0px)); }
.tabs button { flex: 1; max-width: 120px; background: none; border: 0; display: flex; flex-direction: column; align-items: center; gap: 2px; font-weight: 600; font-size: 11px; color: var(--navy-dim); cursor: pointer; padding: 4px; }
.tabs button[aria-selected="true"] { color: var(--gold); font-weight: 700; }

/* Week route */
.sheet { position: fixed; inset: 0; z-index: 18; background: var(--paper); overflow-y: auto; padding: calc(10px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 30px max(16px, env(safe-area-inset-left, 0px)); }
.sheet-head { display: flex; align-items: center; gap: 6px; max-width: 560px; margin: 0 auto 10px; }
.sheet-head h2 { font-size: 22px; }
.stops { list-style: none; margin: 10px auto 0; padding: 0; max-width: 560px; position: relative; }
.stop { display: flex; gap: 14px; align-items: center; position: relative; padding: 8px 0; }
.stop:not(:last-child)::after { content: ""; position: absolute; left: 19px; top: 50%; height: 100%; border-left: 3px dashed var(--line-2); z-index: 0; }
.stop.done:not(:last-child)::after { border-left-style: solid; border-color: var(--ok); }
.node { width: 40px; height: 40px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--card); border: 2.5px solid var(--line-2); font-family: var(--mono); font-weight: 700; z-index: 1; color: var(--muted); }
.stop.done .node { background: var(--ok); border-color: var(--ok); color: #fff; }
.stop.next .node { background: var(--wine); border-color: var(--wine); color: #fff; }
.stop-card { flex: 1; min-width: 0; text-align: left; background: var(--card); border: 1.5px solid var(--line); border-radius: 14px; padding: 12px 14px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 10px; cursor: pointer; }
.stop-card .mono { font-size: 9px; grid-column: 1; }
.stop-card b { grid-column: 1; font-size: 16px; }
.stop-card .go, .stop-card .mini-stars { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
.stop-card .go { background: var(--wine); color: #fff; font-weight: 700; padding: 6px 12px; border-radius: 999px; font-size: 14px; }
.stop.next .stop-card { border-color: var(--wine); }
.stop.locked .stop-card { opacity: .55; cursor: default; }
.mini-stars { color: var(--gold); display: flex; }

/* Lesson */
#lesson { position: fixed; inset: 0; z-index: 20; background: var(--paper); display: flex; flex-direction: column; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
.lhead { display: flex; align-items: center; gap: 8px; padding: 8px max(12px, env(safe-area-inset-right, 0px)) 0 max(8px, env(safe-area-inset-left, 0px)); max-width: 560px; width: 100%; margin: 0 auto; }
.bar { flex: 1; height: 12px; background: var(--line); border-radius: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--ok); border-radius: 6px; }
.combo { min-width: 44px; text-align: right; color: var(--seal); font-weight: 700; display: flex; align-items: center; justify-content: flex-end; gap: 2px; font-variant-numeric: tabular-nums; }
.ltitle { text-align: center; color: var(--muted); padding: 2px 16px 0; }
.lbody { flex: 1; overflow-y: auto; padding: 18px max(16px, env(safe-area-inset-right, 0px)) 20px max(16px, env(safe-area-inset-left, 0px)); max-width: 560px; width: 100%; margin: 0 auto; }
.kind { color: var(--wine); margin-bottom: 8px; }
.prompt { font-size: 26px; line-height: 1.2; margin-bottom: 16px; text-wrap: balance; }
.prompt .blank { display: inline-block; min-width: 70px; border-bottom: 3px solid var(--wine); margin: 0 4px; }
.speak { display: inline-flex; align-items: center; gap: 8px; background: var(--navy); color: #fff; border: 0; border-radius: 12px; padding: 10px 16px; font-weight: 700; cursor: pointer; margin-bottom: 16px; min-height: 44px; }
.opts { display: flex; flex-direction: column; gap: 10px; }
.opt { background: var(--card); border: 1.5px solid var(--line); border-bottom-width: 4px; border-radius: 14px; padding: 14px; text-align: left; font-weight: 600; cursor: pointer; min-height: 52px; }
.opt.sel { border-color: var(--navy); }
.opt.right { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.bank, .built { display: flex; flex-wrap: wrap; gap: 8px; min-height: 52px; }
.built { border-bottom: 2px solid var(--line); padding-bottom: 10px; margin-bottom: 14px; }
.tok { background: var(--card); border: 1.5px solid var(--line); border-bottom-width: 3px; border-radius: 10px; padding: 8px 12px; font-weight: 600; cursor: pointer; min-height: 44px; }
.tok.used { opacity: .25; pointer-events: none; }
input.ans, input.chatin, textarea, #email { width: 100%; font: 600 17px var(--body); padding: 14px; border: 1.5px solid var(--line); border-radius: 14px; background: var(--card); color: var(--ink); }
textarea { min-height: 90px; resize: vertical; font-weight: 500; }
.lfoot { padding: 12px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); border-top: 1.5px solid var(--line); }
.lfoot .inner { max-width: 560px; margin: 0 auto; }
.lfoot.good { background: var(--ok-soft); border-color: var(--ok); }
.lfoot.bad { background: var(--bad-soft); border-color: var(--bad); }
.verdict { font-weight: 700; margin-bottom: 10px; font-size: 17px; }
.lfoot.good .verdict { color: var(--ok); }
.lfoot.bad .verdict { color: var(--bad); }
.verdict small { display: block; font-weight: 500; color: var(--ink); font-size: 15px; margin-top: 2px; }
.finish { text-align: center; padding: 20px 0; }
.finish .stars { color: var(--gold); display: flex; justify-content: center; gap: 6px; }
.finish .big { font-size: 48px; color: var(--wine); line-height: 1.1; margin: 8px 0; }
.review { text-align: left; background: var(--card); border-radius: 14px; padding: 4px 14px 10px; margin-top: 14px; border: 1.5px solid var(--line); }
.review ul { list-style: none; padding: 0; margin: 0; }
.review li { padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.review li:last-child { border: 0; }
.review span { color: var(--muted); font-size: 14px; }

/* Stamp animation */
.stamp-overlay { position: fixed; inset: 0; z-index: 30; background: color-mix(in srgb, var(--paper) 94%, transparent); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: 24px; text-align: center; }
.stamp-overlay p { font-size: 24px; }
.big-stamp { width: 200px; height: 200px; border-radius: 50%; border: 6px solid var(--seal); color: var(--seal); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; transform: rotate(-9deg); }
.big-stamp b { font-size: 34px; }
@keyframes stampIn { 0% { transform: scale(2.6) rotate(-25deg); opacity: 0; } 60% { transform: scale(.92) rotate(-9deg); opacity: 1; } 75% { transform: scale(1.04) rotate(-9deg); } 100% { transform: scale(1) rotate(-9deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .big-stamp { animation: stampIn .7s cubic-bezier(.2, .9, .3, 1.2) both; }
  .stamp-overlay p, .stamp-overlay .btn { animation: fadeUp .4s .6s both; }
  .bar i { transition: width .35s; }
  .finish .big { animation: fadeUp .4s both; }
}

/* Dialog */
.scen { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.scen button { background: var(--card); border: 1.5px solid var(--line); border-radius: 16px; padding: 14px 12px; text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 4px; }
.scen small { color: var(--muted); font-size: 13px; font-weight: 500; }
.sc-ico { color: var(--wine); }
.chat { display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 16px; overflow-wrap: anywhere; white-space: pre-wrap; }
.msg.them { background: var(--card); border: 1.5px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.me { background: var(--navy); color: var(--navy-fg); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg .who { display: block; font-size: 9px; opacity: .7; margin-bottom: 2px; }
.msg .speak { margin: 6px 0 0; padding: 6px 10px; min-height: 36px; display: flex; }
.typing { display: flex; gap: 4px; }
.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); opacity: .5; }
.chat-form { display: flex; gap: 8px; }
.chat-form .btn { padding: 0 16px; flex: none; }
.feedback { background: var(--card); border: 1.5px solid var(--line); border-radius: 14px; padding: 14px; }
.feedback ul { padding-left: 18px; }
.feedback li { margin-bottom: 8px; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--wine); }

/* Words */
.vocab { list-style: none; margin: 0; padding: 0; background: var(--card); border-radius: 14px; border: 1.5px solid var(--line); }
.vocab li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 8px 8px 14px; border-bottom: 1px solid var(--line); border-left: 4px solid transparent; }
.vocab li:last-child { border-bottom: 0; }
.vocab li.weak { border-left-color: var(--bad); }
.vocab li.strong { border-left-color: var(--ok); }
.vocab small { display: block; color: var(--muted); font-size: 14px; }

/* Panel */
.live { color: var(--ok); display: inline-flex; align-items: center; gap: 6px; font-size: 10px; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { background: var(--card); border: 1.5px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.stat b { display: block; font-size: 26px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }
.stat.wide { grid-column: 1 / -1; }
.today { display: flex; flex-direction: column; gap: 6px; }
.today > div { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.today .dot { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--line-2); display: grid; place-items: center; color: #fff; }
.today .on .dot { background: var(--ok); border-color: var(--ok); }
.days { display: grid; grid-template-columns: repeat(14, 1fr); gap: 4px; height: 90px; align-items: end; padding-bottom: 16px; }
.day { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; position: relative; }
.day i { display: block; background: var(--line-2); border-radius: 4px 4px 0 0; }
.day.on i { background: var(--navy); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .day.on i { background: var(--gold); } }
:root[data-theme="dark"] .day.on i { background: var(--gold); }
.day span { position: absolute; top: 100%; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--muted); margin-top: 2px; }
.list .item { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.item small { display: block; color: var(--muted); font-variant-numeric: tabular-nums; }
details.item summary { cursor: pointer; }
details .chat { margin: 10px 0; }
.fixes { padding-left: 18px; font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 14px; padding: 5px 10px; border-radius: 10px; background: var(--card); border: 1.5px solid var(--line); }
.chip.weak { border-color: var(--bad); background: var(--bad-soft); }
.chip.strong { border-color: var(--ok); background: var(--ok-soft); }

/* Login */
#login { min-height: 100vh; min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; background: var(--navy); }
.login-card { width: 100%; max-width: 400px; background: var(--paper); border-radius: 18px; padding: 26px 22px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { font-size: 30px; }
.login-card form { display: flex; flex-direction: column; gap: 8px; }
.login-card label { color: var(--muted); }
.err-code { display: block; margin-top: 4px; font-family: var(--mono); font-size: 11px; opacity: .8; }
#loginStatus:has(.err-code) { color: var(--bad); }

.toast { position: fixed; left: 16px; right: 16px; bottom: calc(92px + env(safe-area-inset-bottom, 0px)); z-index: 40; max-width: 520px; margin: 0 auto; background: var(--ink); color: var(--paper); padding: 12px 16px; border-radius: 12px; font-size: 14px; }