/* Laboratório de Listening — identidade "Pop Caderno" do Kit Inglês Visual */
@font-face { font-family: 'Fredoka'; font-weight: 500 700; font-display: swap; src: url(fonts/fredoka-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212; }
@font-face { font-family: 'Fredoka'; font-weight: 500 700; font-display: swap; src: url(fonts/fredoka-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Nunito'; font-weight: 600 900; font-display: swap; src: url(fonts/nunito-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212; }
@font-face { font-family: 'Nunito'; font-weight: 600 900; font-display: swap; src: url(fonts/nunito-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --paper: #FFFBF1; --dot: #EADFC8; --card: #FFFFFF; --ink: #1F2346; --muted: #5B6087;
  --coral: #FF6B5B; --sky: #3A86FF; --sun: #FFC43D; --mint: #1FBF9F; --grape: #8B5CF6;
  --ok: #12A386; --ok-bg: #E3F8F2; --bad: #E5484D; --bad-bg: #FFE9E7;
  --bd: 2.5px solid var(--ink); --sh: 4px 4px 0 var(--ink); --sh-sm: 3px 3px 0 var(--ink); --r: 18px;
  --f-display: 'Fredoka', 'Arial Rounded MT Bold', system-ui, sans-serif;
  --f-body: 'Nunito', 'Segoe UI', system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--ink); font: 600 16px/1.5 var(--f-body);
  background-color: var(--paper);
  background-image: radial-gradient(var(--dot) 1.4px, transparent 1.6px);
  background-size: 22px 22px;
}
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.15; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
a { color: inherit; }
img.emo { width: 1.25em; height: 1.25em; vertical-align: -.25em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── estrutura ── */
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 56px; }
.top { position: sticky; top: 0; z-index: 20; background: rgba(255, 251, 241, .92); backdrop-filter: blur(6px); border-bottom: var(--bd); }
.top .in { max-width: 760px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 10px; }
.brand { display: flex; align-items: center; gap: 8px; font: 700 18px var(--f-display); text-decoration: none; margin-right: auto; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 6px; }
.nav a, .nav button { font: 800 14px var(--f-body); text-decoration: none; padding: 7px 11px; border-radius: 12px; border: 2px solid transparent; background: none; cursor: pointer; }
.nav a[aria-current="page"] { border-color: var(--ink); background: var(--card); box-shadow: 2px 2px 0 var(--ink); }
@media (max-width: 520px) { .brand span { display: none; } .nav a, .nav button { padding: 7px 8px; } }
.banner { background: var(--grape); color: #fff; text-align: center; font: 800 13px var(--f-body); padding: 6px 12px; }
.banner a { color: #fff; }
main { padding-top: 22px; }
.stack > * + * { margin-top: 16px; }

/* ── componentes ── */
.card { background: var(--card); border: var(--bd); border-radius: var(--r); box-shadow: var(--sh); padding: 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 10px 18px;
  font: 700 16px var(--f-display); letter-spacing: .01em; text-decoration: none; text-align: center;
  background: var(--sun); border: var(--bd); border-radius: 14px; box-shadow: var(--sh-sm); cursor: pointer;
  transition: transform .08s, box-shadow .08s;
}
.btn:active:not(:disabled) { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn.big { min-height: 56px; font-size: 18px; width: 100%; }
.btn.alt { background: var(--card); }
.btn.sky { background: var(--sky); color: #fff; }
.btn.mint { background: var(--mint); color: #fff; }
.btn.coral { background: var(--coral); color: #fff; }
.btn.sm { min-height: 38px; padding: 6px 12px; font-size: 14px; border-width: 2px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 520px) { .grid2 { grid-template-columns: 1fr; } }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border: 2px solid var(--ink); border-radius: 999px; font: 800 12px var(--f-body); background: var(--card); white-space: nowrap; }
.chip.done { background: var(--ok-bg); color: #0b6e5a; border-color: #0b6e5a; }
.chip.doing { background: #FFF3D1; color: #8a5a00; border-color: #8a5a00; }
.chip.draft { background: #EFE7FF; color: #5b33c2; border-color: #5b33c2; }
.bar { height: 14px; border: 2px solid var(--ink); border-radius: 999px; background: var(--card); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--mint); border-right: 2px solid var(--ink); transition: width .4s; }
.bar > i[style*="width: 0%"], .bar > i[style*="width:0%"] { border-right: 0; }
.field { display: block; }
.field span { display: block; font: 800 14px var(--f-body); margin-bottom: 6px; }
.input { width: 100%; min-height: 48px; padding: 10px 14px; font: 700 16px var(--f-body); color: var(--ink); background: #fff; border: var(--bd); border-radius: 12px; }
.input:focus { outline: none; box-shadow: 0 0 0 3px rgba(58, 134, 255, .35); }
.alert { padding: 12px 14px; border: 2px solid var(--ink); border-radius: 12px; font-weight: 700; }
.alert.err { background: var(--bad-bg); border-color: var(--bad); color: #8f1d20; }
.alert.ok { background: var(--ok-bg); border-color: var(--ok); color: #0b6e5a; }
.alert.info { background: #EAF2FF; border-color: var(--sky); color: #1d4fa8; }
.center { text-align: center; }
.spinner { width: 34px; height: 34px; border: 4px solid var(--dot); border-top-color: var(--ink); border-radius: 50%; animation: spin .8s linear infinite; margin: 40px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
.fade { animation: fade .25s ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } }

/* ── login ── */
.login { max-width: 440px; margin: 24px auto 0; }
.login .hero-ic { width: 84px; height: 84px; display: block; margin: 0 auto 8px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; border: var(--bd); border-radius: 14px; overflow: hidden; }
.tabs button { padding: 10px 6px; border: 0; background: var(--card); font: 800 14px var(--f-body); cursor: pointer; }
.tabs button + button { border-left: var(--bd); }
.tabs button[aria-selected="true"] { background: var(--sun); }

/* ── dashboard ── */
.hero { position: relative; overflow: hidden; background: var(--ink); color: #fff; border: var(--bd); border-radius: 22px; box-shadow: 5px 5px 0 var(--sun); padding: 22px 20px; }
.hero h1 { font-size: clamp(26px, 6.4vw, 36px); }
.hero p { margin-top: 8px; color: #D9DCF5; font-size: 16px; max-width: 30em; }
.hero img { position: absolute; right: -6px; bottom: -10px; width: 110px; opacity: .95; transform: rotate(-10deg); }
@media (max-width: 520px) { .hero img { width: 76px; right: -8px; top: -8px; bottom: auto; } .hero h1 { padding-right: 46px; } }
.prog-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.prog-head strong { font: 700 20px var(--f-display); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
@media (max-width: 600px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { border: 2px solid var(--ink); border-radius: 14px; padding: 10px 12px; background: var(--paper); }
.stat b { display: block; font: 700 24px var(--f-display); }
.stat small { font-weight: 800; color: var(--muted); font-size: 12.5px; }
.last { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 2px dashed var(--dot); }
.levels { display: grid; gap: 14px; }
.level-card { --c: var(--mint); display: grid; grid-template-columns: 60px 1fr auto; gap: 14px; align-items: center; text-decoration: none; background: var(--card); border: var(--bd); border-radius: var(--r); box-shadow: 5px 5px 0 var(--c); padding: 16px; transition: transform .1s; }
.level-card:hover { transform: translate(-1px, -1px); }
.level-card .ic { width: 60px; height: 60px; border-radius: 16px; background: var(--c); border: var(--bd); display: grid; place-items: center; }
.level-card .ic img { width: 38px; height: 38px; }
.level-card h3 { font-size: 20px; }
.level-card .cefr { font: 800 12px var(--f-body); color: var(--muted); margin-left: 6px; }
.level-card p { font-size: 14px; color: var(--muted); margin-top: 2px; }
.level-card .count { font: 800 13px var(--f-body); margin-top: 6px; }
.level-card .go { font: 700 26px var(--f-display); }
@media (max-width: 420px) { .level-card { grid-template-columns: 48px 1fr; } .level-card .ic { width: 48px; height: 48px; } .level-card .go { display: none; } }
.sec-title { display: flex; align-items: center; gap: 8px; font-size: 22px; margin: 26px 0 12px; }

/* ── listagem de aulas ── */
.lvl-head { --c: var(--mint); border-left: 10px solid var(--c); }
.back { display: inline-flex; align-items: center; gap: 4px; font: 800 14px var(--f-body); text-decoration: none; color: var(--muted); }
.lesson-card { display: grid; gap: 10px; }
.lesson-card .n { font: 800 12px var(--f-body); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.lesson-card h3 { font-size: 20px; }
.lesson-card .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-size: 14px; }
.lesson-card .btn { justify-self: start; }

/* ── player ── */
.player { background: var(--card); border: var(--bd); border-radius: 22px; box-shadow: 5px 5px 0 var(--sky); padding: 18px; }
.player .main { display: flex; align-items: center; gap: 16px; }
.pp { flex: none; width: 76px; height: 76px; border-radius: 50%; background: var(--sun); border: var(--bd); box-shadow: var(--sh-sm); display: grid; place-items: center; cursor: pointer; }
.pp:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.pp svg { width: 34px; height: 34px; fill: var(--ink); }
.seekbox { flex: 1; min-width: 0; }
.times { display: flex; justify-content: space-between; font: 800 14px var(--f-body); font-variant-numeric: tabular-nums; margin-top: 6px; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; margin: 0; }
input[type=range]::-webkit-slider-runnable-track { height: 12px; border: 2px solid var(--ink); border-radius: 999px; background: linear-gradient(90deg, var(--sky) var(--p, 0%), #fff var(--p, 0%)); }
input[type=range]::-moz-range-track { height: 8px; border: 2px solid var(--ink); border-radius: 999px; background: #fff; }
input[type=range]::-moz-range-progress { height: 8px; background: var(--sky); border-radius: 999px; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -8px; border-radius: 50%; background: var(--sun); border: 2.5px solid var(--ink); }
input[type=range]::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--sun); border: 2.5px solid var(--ink); }
.ctrls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.ctrls .ib { min-height: 40px; padding: 6px 12px; border: 2px solid var(--ink); border-radius: 12px; background: var(--paper); font: 800 14px var(--f-body); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.speed { display: inline-flex; border: 2px solid var(--ink); border-radius: 12px; overflow: hidden; }
.speed button { min-height: 36px; padding: 4px 10px; border: 0; background: var(--paper); font: 800 13px var(--f-body); cursor: pointer; }
.speed button + button { border-left: 2px solid var(--ink); }
.speed button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.vol { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; font-size: 14px; }
.vol input { width: 90px; }
.player.compact { padding: 12px; box-shadow: var(--sh-sm); border-radius: 16px; }
.player.compact .pp { width: 52px; height: 52px; }
.player.compact .pp svg { width: 24px; height: 24px; }
.player.compact .ctrls { margin-top: 8px; }
.player .note { margin-top: 10px; }

/* ── aula / quiz ── */
.lesson-head .kicker { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.lesson-head h1 { font-size: clamp(24px, 6vw, 32px); }
.lesson-head p { margin-top: 6px; color: var(--muted); }
.tip { display: flex; gap: 12px; align-items: flex-start; background: #FFF3D1; border: 2px solid var(--ink); border-radius: 16px; padding: 14px; }
.tip img { width: 40px; height: 40px; flex: none; }
.tip b { font: 700 18px var(--f-display); display: block; }
.qhead { display: flex; justify-content: space-between; align-items: center; gap: 8px; font: 800 14px var(--f-body); margin-bottom: 8px; }
.qtext { font: 700 21px/1.3 var(--f-display); margin: 6px 0 14px; }
.opts { display: grid; gap: 10px; }
.opt { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; padding: 12px 14px; min-height: 56px; background: #fff; border: var(--bd); border-radius: 14px; cursor: pointer; font: 700 16px/1.35 var(--f-body); transition: background .1s, transform .08s; }
.opt .k { flex: none; width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--ink); display: grid; place-items: center; font: 700 15px var(--f-display); background: var(--paper); }
.opt:hover { background: #F6F8FF; }
.opt[aria-checked="true"] { background: #EAF2FF; box-shadow: var(--sh-sm); border-color: var(--sky); }
.opt[aria-checked="true"] .k { background: var(--sky); border-color: var(--sky); color: #fff; }
.qnav { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; }
.qnav .btn { flex: 1; }
.dots { display: flex; gap: 6px; justify-content: center; margin-top: 14px; }
.dots button { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--ink); background: #fff; font: 800 12px var(--f-body); cursor: pointer; }
.dots button.on { background: var(--sky); color: #fff; }
.dots button.cur { box-shadow: 0 0 0 3px var(--sun); }

/* ── resultado ── */
.score { text-align: center; padding: 26px 18px; }
.score .ring { --p: 0; width: 132px; height: 132px; margin: 0 auto 12px; border-radius: 50%; border: var(--bd); display: grid; place-items: center; background: conic-gradient(var(--mint) calc(var(--p) * 1%), #fff 0); box-shadow: var(--sh-sm); }
.score .ring span { width: 96px; height: 96px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); display: grid; place-items: center; font: 700 30px var(--f-display); }
.score h2 { font-size: clamp(22px, 5.6vw, 28px); }
.score p { margin-top: 8px; color: var(--muted); }
.rev { border-left: 8px solid var(--ok); }
.rev.wrong { border-left-color: var(--bad); }
.rev .st { display: inline-flex; align-items: center; gap: 6px; font: 800 13px var(--f-body); }
.rev h4 { font-size: 17px; margin: 6px 0 10px; }
.ans { display: grid; gap: 6px; font-size: 15px; }
.ans div { padding: 8px 10px; border-radius: 10px; }
.ans .you { background: var(--bad-bg); }
.ans .you.ok { background: var(--ok-bg); }
.ans .right { background: var(--ok-bg); }
.expl { margin-top: 10px; font-size: 15px; color: var(--ink); background: var(--paper); border: 2px dashed var(--dot); border-radius: 10px; padding: 10px; }
.transcript { border-color: var(--ink); box-shadow: 5px 5px 0 var(--grape); }
.transcript .txt p { font: 600 18px/1.7 var(--f-body); margin-top: 14px; }
.transcript .txt .sp { font: 700 14px var(--f-display); color: var(--grape); display: block; }
.transcript .pt p { font-size: 16px; color: var(--muted); }
.transcript .pt { margin-top: 18px; padding-top: 6px; border-top: 2px dashed var(--dot); }
.finals { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 520px) { .finals { grid-template-columns: 1fr; } }

/* ── progresso ── */
.ptable { width: 100%; border-collapse: collapse; font-size: 15px; }
.ptable th, .ptable td { text-align: left; padding: 10px 6px; border-bottom: 2px dashed var(--dot); vertical-align: top; }
.ptable th { font: 800 12px var(--f-body); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.hist { display: flex; gap: 4px; flex-wrap: wrap; }
.hist span { font: 800 12px var(--f-body); border: 2px solid var(--ink); border-radius: 8px; padding: 0 6px; background: #fff; }

/* ── modal / toast ── */
.modal-bg { position: fixed; inset: 0; background: rgba(31, 35, 70, .45); display: grid; place-items: center; padding: 16px; z-index: 50; }
.modal { max-width: 420px; width: 100%; }
.toast { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 60; max-width: calc(100% - 32px); background: var(--ink); color: #fff; border-radius: 14px; padding: 12px 16px; font-weight: 800; box-shadow: 4px 4px 0 var(--coral); }