/* Real Talk · English School
   Claro: papel de caderno, tinta azul-marinho, caneta vermelha do professor, marca-texto amarelo.
   Escuro: lousa verde com giz. */

:root {
  --paper: #f7f2e7;
  --sheet: #fffdf8;
  --sheet-2: #f3ecdd;
  --ink: #1f2f4d;
  --ink-soft: #3d4a63;
  --muted: #7a7466;
  --line: #e6dcc8;
  --rule: #dbe5f1;
  --margin: #efb3ae;
  --primary: #1f3a5f;
  --primary-ink: #ffffff;
  --primary-soft: #e3eaf3;
  --pen: #c8372d;
  --pen-soft: #fbe5e2;
  --check: #2b7a4b;
  --check-soft: #e1f1e6;
  --marker: #ffe48a;
  --gold: #c98a12;
  --gold-soft: #fbefd2;
  --me: #1f3a5f;
  --me-ink: #fff;
  --shadow: 0 1px 0 rgb(31 47 77 / 6%), 0 8px 24px -12px rgb(31 47 77 / 22%);
  --shadow-lift: 0 2px 0 rgb(31 47 77 / 8%), 0 18px 36px -18px rgb(31 47 77 / 35%);
  --radius: 14px;
  --hand: "Caveat", "Segoe Print", cursive;
  --display: "Fraunces", Georgia, serif;
  --body: "Nunito", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17241e; --sheet: #1f3029; --sheet-2: #263a31; --ink: #eef0e4; --ink-soft: #d3d8c8; --muted: #a3b0a2;
    --line: #34493f; --rule: #2a3d34; --margin: #6e3b38; --primary: #f2d27a; --primary-ink: #1b2a23;
    --primary-soft: #33463a; --pen: #ff8f85; --pen-soft: #3e2a27; --check: #93dba8; --check-soft: #24402f;
    --marker: rgb(242 210 122 / 30%); --gold: #f2c35a; --gold-soft: #3b3522; --me: #2f4a3e; --me-ink: #f4f1e3;
    --shadow: 0 1px 0 rgb(0 0 0 / 25%), 0 10px 26px -14px rgb(0 0 0 / 60%);
    --shadow-lift: 0 2px 0 rgb(0 0 0 / 25%), 0 20px 40px -18px rgb(0 0 0 / 70%);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #17241e; --sheet: #1f3029; --sheet-2: #263a31; --ink: #eef0e4; --ink-soft: #d3d8c8; --muted: #a3b0a2;
  --line: #34493f; --rule: #2a3d34; --margin: #6e3b38; --primary: #f2d27a; --primary-ink: #1b2a23;
  --primary-soft: #33463a; --pen: #ff8f85; --pen-soft: #3e2a27; --check: #93dba8; --check-soft: #24402f;
  --marker: rgb(242 210 122 / 30%); --gold: #f2c35a; --gold-soft: #3b3522; --me: #2f4a3e; --me-ink: #f4f1e3;
  --shadow: 0 1px 0 rgb(0 0 0 / 25%), 0 10px 26px -14px rgb(0 0 0 / 60%);
  --shadow-lift: 0 2px 0 rgb(0 0 0 / 25%), 0 20px 40px -18px rgb(0 0 0 / 70%);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--body);
  background-color: var(--paper);
  background-image: radial-gradient(rgb(120 100 60 / 6%) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body.booting .shell, body.booting .tabbar { visibility: hidden; }
a { color: var(--primary); text-decoration: none; }
button { font: inherit; color: inherit; }
code { font-size: .85em; background: var(--sheet-2); padding: 1px 6px; border-radius: 6px; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; letter-spacing: -.01em; margin: 0; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.15; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.hand { font-family: var(--hand); font-size: 1.35em; line-height: 1.1; }
.icon { width: 20px; height: 20px; flex: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent); outline-offset: 2px; }

/* ================================================================ shell */
.shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100dvh; }
body.guest .shell { grid-template-columns: minmax(0, 1fr); }
body.guest .sidebar, body.guest .tabbar { display: none !important; }

.sidebar {
  position: sticky; top: 0; height: 100dvh; display: flex; flex-direction: column; gap: 22px;
  padding: 22px 16px; background: var(--sheet); border-right: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); padding: 0 6px; }
.crest {
  display: grid; place-items: center; width: 44px; height: 44px; flex: none;
  border-radius: 12px 12px 20px 20px; background: var(--primary); color: var(--primary-ink);
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .02em;
  box-shadow: inset 0 -4px 0 rgb(0 0 0 / 18%);
}
.brand-text { display: grid; line-height: 1.1; }
.brand-text b { font-family: var(--display); font-size: 1.25rem; }
.brand-text small { font-family: var(--hand); font-size: 1.15rem; color: var(--pen); }
.nav { display: grid; gap: 4px; }
.nav .nav-label { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); padding: 14px 12px 4px; }
.nav a { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; color: var(--ink-soft); font-weight: 700; }
.nav a:hover { background: var(--sheet-2); color: var(--ink); }
.nav a.active { background: var(--primary-soft); color: var(--ink); box-shadow: inset 3px 0 0 var(--primary); }
.nav .badge { margin-left: auto; }
.badge {
  display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px;
  background: var(--pen); color: #fff; font-size: .75rem; font-weight: 800;
}
.me-card { margin-top: auto; display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; background: var(--sheet-2); }
.avatar {
  display: grid; place-items: center; width: 38px; height: 38px; flex: none; border-radius: 50%;
  background: var(--gold-soft); color: var(--ink); font-weight: 800; font-family: var(--display); border: 2px solid var(--gold);
}
.me-card .who { display: grid; min-width: 0; line-height: 1.2; }
.me-card .who b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.me-card .who small { color: var(--muted); font-size: .78rem; }
.me-card .icon-btn { margin-left: auto; }

#view { min-width: 0; outline: none; }
.page { max-width: 1080px; margin: 0 auto; padding: 34px 28px 96px; }
.page.narrow { max-width: 760px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head p { margin: 6px 0 0; }
.eyebrow { font-family: var(--hand); color: var(--pen); font-size: 1.5rem; line-height: 1; display: block; margin-bottom: 4px; }

.tabbar {
  display: none; position: fixed; inset: auto 0 0 0; z-index: 20; background: var(--sheet);
  border-top: 1px solid var(--line); padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
  grid-auto-flow: column; grid-auto-columns: 1fr;
}
.tabbar a { display: grid; justify-items: center; gap: 2px; padding: 6px 2px; color: var(--muted); font-size: .7rem; font-weight: 800; position: relative; }
.tabbar a.active { color: var(--ink); }
.tabbar a.active .icon { color: var(--pen); }
.tabbar .badge { position: absolute; top: 0; left: 56%; height: 18px; min-width: 18px; font-size: .65rem; }

/* ================================================================ botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 11px; border: 1.5px solid var(--line);
  background: var(--sheet); color: var(--ink); font-weight: 800; cursor: pointer; text-decoration: none;
  transition: transform .12s, background .12s;
}
.btn:hover { background: var(--sheet-2); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); box-shadow: inset 0 -3px 0 rgb(0 0 0 / 18%); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--pen); }
.btn.primary.danger { background: var(--pen); border-color: var(--pen); color: #fff; }
.btn.small { padding: 6px 12px; font-size: .86rem; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .55; cursor: default; transform: none; }
.btn .icon { width: 17px; height: 17px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; flex: none; padding: 0;
  border-radius: 11px; border: 1.5px solid var(--line); background: var(--sheet); color: var(--ink); cursor: pointer;
}
.icon-btn:hover { background: var(--sheet-2); }
.icon-btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.icon-btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.icon-btn:disabled { opacity: .45; cursor: default; }
.mini {
  display: inline-grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 0;
  border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer;
}
.mini:hover { background: var(--sheet-2); color: var(--ink); }
.mini .icon { width: 17px; height: 17px; }
.link-btn { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--muted); cursor: pointer; padding: 8px 0; font-weight: 700; }
.link-btn .icon { width: 16px; height: 16px; }
.row-end { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.pill { display: inline-flex; align-items: center; gap: 4px; font-size: .74rem; font-weight: 800; padding: 3px 10px; border-radius: 99px; background: var(--sheet-2); color: var(--ink-soft); white-space: nowrap; }
.pill.ok { background: var(--check-soft); color: var(--check); }
.pill.warn { background: var(--gold-soft); color: var(--gold); }
.pill.off { background: var(--pen-soft); color: var(--pen); }
.pill.admin { background: var(--primary-soft); color: var(--ink); }

/* ================================================================ cartões e formulários */
.sheet { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.alert { background: var(--gold-soft); border: 1.5px dashed var(--gold); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 20px; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; color: var(--ink-soft); }
.form label.check { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.form label.check input { width: 18px; height: 18px; accent-color: var(--primary); }
input:not([type="checkbox"]):not([type="range"]), select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 11px; padding: 11px 13px; resize: vertical;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); }
input[type="range"] { accent-color: var(--primary); width: 100%; }
.err-text { color: var(--pen); font-weight: 700; margin: 0; }

/* ================================================================ início */
.hero {
  position: relative; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
  padding: 30px 30px 30px 52px; margin-bottom: 22px; overflow: hidden;
  background: linear-gradient(transparent 31px, var(--rule) 32px) 0 10px / 100% 32px, var(--sheet);
}
.hero::before { content: ""; position: absolute; top: 0; bottom: 0; left: 30px; border-left: 2px solid var(--margin); }
.hero h1 mark { background: linear-gradient(transparent 58%, var(--marker) 58%); color: inherit; padding: 0 4px; }
.hero p { margin: 10px 0 0; max-width: 54ch; color: var(--ink-soft); }
.level-card { display: grid; gap: 6px; justify-items: end; }
.level-card .hand { color: var(--pen); }
.level-pick { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.level-pick button {
  display: grid; justify-items: center; min-width: 76px; padding: 8px 10px; border-radius: 12px; cursor: pointer;
  border: 1.5px solid var(--line); background: var(--paper); color: var(--ink);
}
.level-pick button b { font-family: var(--display); font-size: 1.2rem; }
.level-pick button span { font-size: .68rem; color: var(--muted); font-weight: 700; }
.level-pick button[aria-checked="true"] { border-color: var(--primary); background: var(--primary); color: var(--primary-ink); }
.level-pick button[aria-checked="true"] span { color: inherit; opacity: .85; }

.report { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grade { position: relative; padding: 16px 18px; color: var(--ink); display: grid; gap: 4px; }
.grade b { font-family: var(--display); font-size: 2rem; line-height: 1; }
.grade span { font-size: .82rem; color: var(--muted); font-weight: 700; }
.grade .stamp {
  position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; border: 2px solid currentColor; transform: rotate(-12deg); opacity: .85;
}
.grade .stamp .icon { width: 17px; height: 17px; }
.grade.streak .stamp { color: var(--gold); }
.grade.words .stamp { color: var(--primary); }
.grade.acc .stamp { color: var(--check); }
.grade.due .stamp { color: var(--pen); }
a.grade:hover { box-shadow: var(--shadow-lift); }

.module-head { display: flex; align-items: baseline; gap: 12px; margin: 36px 0 14px; }
.module-head .num { font-family: var(--hand); color: var(--pen); font-size: 1.6rem; }
.module-head h2 { font-size: 1.45rem; }
.module-head p { margin: 0 0 0 auto; color: var(--muted); font-size: .9rem; }
.lessons { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.lesson {
  display: grid; gap: 10px; text-align: left; padding: 18px 18px 14px; cursor: pointer;
  border-top: 5px solid var(--accent, var(--primary)); transition: transform .15s, box-shadow .15s;
}
.lesson:hover { transform: translateY(-3px) rotate(-.3deg); box-shadow: var(--shadow-lift); }
.lesson:disabled { opacity: .6; transform: none; }
.lesson .top { display: flex; align-items: center; gap: 12px; }
.lesson .ico {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, var(--sheet)); color: var(--accent, var(--primary));
}
.lesson .ico .icon { width: 23px; height: 23px; }
.lesson .kicker { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.lesson h3 { font-size: 1.12rem; line-height: 1.25; }
.lesson .desc { margin: 0; font-size: .92rem; color: var(--ink-soft); }
.lesson .skills { margin: 0; font-size: .8rem; color: var(--muted); font-weight: 700; }
.lesson .meta { display: flex; align-items: center; gap: 8px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: .78rem; color: var(--muted); font-weight: 800; }
.lesson .meta .icon { width: 15px; height: 15px; }
.lesson .with { margin-left: auto; font-family: var(--hand); font-size: 1.2rem; color: var(--pen); font-weight: 500; }

/* ================================================================ sala de aula */
.classroom { display: flex; flex-direction: column; height: 100dvh; max-width: 920px; margin: 0 auto; background: var(--sheet); border-inline: 1px solid var(--line); }
.class-head { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.class-head .title { flex: 1; min-width: 0; display: grid; }
.class-head .title b { font-family: var(--display); font-size: 1.15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.class-head .title span { font-size: .82rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mission-bar { display: flex; align-items: center; gap: 10px; padding: 9px 20px; background: var(--gold-soft); border-bottom: 1.5px dashed var(--gold); font-size: .9rem; }
.mission-bar .hand { color: var(--pen); font-size: 1.35rem; line-height: 1; flex: none; }
.toggles { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 20px; border-bottom: 1px solid var(--line); }
.toggle {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 99px; cursor: pointer;
  border: 1.5px solid var(--line); font-size: .8rem; font-weight: 800; color: var(--muted); user-select: none;
}
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle .icon { width: 15px; height: 15px; }
.toggle:has(input:checked) { border-color: var(--primary); color: var(--ink); background: var(--primary-soft); }
.toggle:has(input:focus-visible) { outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent); }

.notebook {
  flex: 1; overflow-y: auto; padding: 22px 22px 26px 64px; display: flex; flex-direction: column; gap: 18px;
  background:
    linear-gradient(90deg, transparent 43px, var(--margin) 43px, var(--margin) 45px, transparent 45px),
    linear-gradient(transparent 31px, var(--rule) 32px) 0 0 / 100% 32px,
    var(--sheet);
  background-attachment: local;
}
.msg { display: flex; flex-direction: column; max-width: 80%; }
.msg.ai { align-self: flex-start; }
.msg.me { align-self: flex-end; align-items: flex-end; }
.speaker { font-size: .72rem; font-weight: 800; color: var(--muted); margin: 0 0 4px 6px; text-transform: uppercase; letter-spacing: .08em; }
.msg.me .speaker { margin: 0 6px 4px 0; }
.bubble { padding: 11px 15px; border-radius: 18px; white-space: pre-wrap; word-wrap: break-word; font-size: 1.03rem; }
.msg.ai .bubble { background: var(--paper); border: 1.5px solid var(--line); border-top-left-radius: 6px; box-shadow: var(--shadow); }
.msg.me .bubble { background: var(--me); color: var(--me-ink); border-top-right-radius: 6px; }
.msg.ai.typing .bubble .text:empty::after { content: "· · ·"; letter-spacing: 3px; animation: blink 1s infinite; color: var(--muted); }
@keyframes blink { 50% { opacity: .25; } }
.msg.blurred .bubble .text { filter: blur(6px); cursor: pointer; user-select: none; }
.msg.blurred .bubble::before { content: "toque pra ver o texto"; display: block; font-size: .74rem; color: var(--muted); font-weight: 800; }
.msg-tools { display: flex; gap: 2px; margin-top: 3px; }

.fix { margin-top: 8px; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; max-width: 100%; }
.grade-chip {
  display: inline-flex; align-items: center; gap: 6px; border: 2px solid currentColor; background: var(--sheet);
  font-family: var(--hand); font-size: 1.3rem; line-height: 1; padding: 2px 12px 4px; border-radius: 99px; cursor: pointer;
  transform: rotate(-2deg);
}
.grade-chip.perfect { color: var(--check); }
.grade-chip.minor { color: var(--gold); }
.grade-chip.needs_work, .grade-chip.err { color: var(--pen); }
.grade-chip.pending { color: var(--muted); cursor: default; border-style: dashed; }
.teacher-note {
  position: relative; width: min(540px, 100%); padding: 18px 18px 14px; text-align: left; display: grid; gap: 10px;
  background: var(--sheet); border: 1px solid var(--line); border-radius: 4px 14px 14px 14px; box-shadow: var(--shadow-lift);
}
.teacher-note::before {
  content: ""; position: absolute; top: -9px; left: 22px; width: 72px; height: 18px;
  background: color-mix(in srgb, var(--marker) 75%, transparent); transform: rotate(-4deg); border-radius: 2px;
}
.teacher-note .lbl { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.teacher-note p { margin: 2px 0 0; }
.redpen { font-size: 1.03rem; }
.redpen del { color: var(--pen); text-decoration-thickness: 2px; }
.redpen ins { text-decoration: none; font-family: var(--hand); font-size: 1.4em; color: var(--pen); line-height: 1; padding: 0 2px; }
.natural { font-weight: 700; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.natural span { background: linear-gradient(transparent 55%, var(--marker) 55%); }
.issue { display: grid; gap: 3px; border-top: 1px dashed var(--line); padding-top: 9px; }
.issue .tag { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; color: var(--pen); }
.issue .pair del { color: var(--pen); text-decoration-thickness: 2px; }
.issue .pair ins { text-decoration: none; color: var(--check); font-weight: 800; }
.issue p { margin: 0; color: var(--ink-soft); font-size: .93rem; }
.tip { margin: 0; font-family: var(--hand); font-size: 1.35rem; color: var(--pen); line-height: 1.2; }

.desk { display: flex; align-items: flex-end; gap: 10px; padding: 12px 20px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }
.desk.disabled { opacity: .55; }
.desk textarea { min-height: 48px; max-height: 160px; resize: none; }
.mic {
  display: grid; place-items: center; width: 56px; height: 56px; flex: none; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--pen); color: #fff; box-shadow: inset 0 -4px 0 rgb(0 0 0 / 20%), var(--shadow);
}
.mic .icon { width: 25px; height: 25px; }
.mic:disabled { opacity: .45; cursor: default; }
.mic.live { animation: pulse 1.3s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--pen) 55%, transparent); }
  70% { box-shadow: 0 0 0 16px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ================================================================ modal / boletim da aula */
.modal { position: fixed; inset: 0; z-index: 50; background: rgb(15 20 30 / 55%); display: grid; place-items: center; padding: 16px; }
.modal-card {
  background: var(--sheet); border-radius: 18px; padding: 22px; width: min(640px, 100%);
  max-height: calc(100dvh - 32px); overflow-y: auto; box-shadow: var(--shadow-lift); display: grid; gap: 14px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.say-opt { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px dashed var(--line); }
.say-opt b { font-size: 1.05rem; }
.say-opt small { display: block; color: var(--muted); }
.say-actions { display: flex; gap: 4px; align-items: center; flex: none; }

.report-card { display: grid; gap: 14px; }
.rc-top { display: flex; align-items: center; gap: 18px; }
.big-grade {
  width: 96px; height: 96px; flex: none; border-radius: 50%; display: grid; place-items: center; align-content: center;
  border: 3px solid var(--pen); color: var(--pen); transform: rotate(-8deg); font-family: var(--hand); line-height: .9;
}
.big-grade b { font-size: 2.8rem; }
.big-grade span { font-size: 1.1rem; }
.rc-top h3 { font-size: 1.25rem; }
.mission-result { border-radius: 12px; padding: 12px 14px; display: grid; gap: 2px; border: 1.5px dashed; }
.mission-result.ok { background: var(--check-soft); border-color: var(--check); }
.mission-result.no { background: var(--gold-soft); border-color: var(--gold); }
.mission-result small { color: var(--muted); }
.mission-result p { margin: 0; }
.report-card h4 { margin-top: 4px; font-size: 1.05rem; }
.report-card ul { margin: 0; padding-left: 20px; }
.pattern, .expr { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.pattern p { margin: 6px 0; }
.pattern small { color: var(--ink-soft); }
.pattern del { color: var(--pen); }
.pattern ins { text-decoration: none; color: var(--check); font-weight: 800; }
.expr { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.next { border-left: 4px solid var(--pen); padding: 4px 0 4px 12px; }
.next small { font-family: var(--hand); color: var(--pen); font-size: 1.3rem; }
.next p { margin: 0; }

/* ================================================================ revisão (fichas) */
.review-progress { height: 8px; background: var(--sheet-2); border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.review-progress span { display: block; height: 100%; background: var(--pen); transition: width .3s; }
.flash {
  position: relative; padding: 26px 30px 26px; display: grid; gap: 16px; border-radius: 6px;
  background:
    linear-gradient(var(--pen), var(--pen)) 0 64px / 100% 2px no-repeat,
    linear-gradient(transparent 31px, var(--rule) 32px) 0 66px / 100% 32px,
    var(--sheet);
  border: 1px solid var(--line); box-shadow: var(--shadow-lift); transform: rotate(-.5deg);
}
.flash .kind { font-family: var(--hand); color: var(--pen); font-size: 1.4rem; line-height: 1; }
.flash .prompt { font-size: .85rem; color: var(--muted); font-weight: 800; margin-top: 18px; }
.flash .front { font-family: var(--display); font-size: 1.6rem; margin: 0; line-height: 1.3; }
.flash .back { font-family: var(--hand); font-size: 2.1rem; color: var(--primary); margin: 0; line-height: 1.15; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.answer-row { display: flex; gap: 10px; align-items: center; }
.grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.grades button {
  padding: 10px 4px; border-radius: 11px; border: 1.5px solid var(--line); background: var(--paper);
  font-weight: 800; cursor: pointer; display: grid; gap: 1px;
}
.grades button small { font-weight: 600; color: var(--muted); font-size: .72rem; }
.grades .g0 { color: var(--pen); }
.grades .g1 { color: var(--gold); }
.grades .g2, .grades .g3 { color: var(--check); }
.grades button:hover { border-color: currentColor; }

/* ================================================================ histórico */
.hist { display: grid; gap: 10px; }
.hist-row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; color: var(--ink); }
.hist-row:hover { box-shadow: var(--shadow-lift); }
.hist-row .ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: var(--primary-soft); color: var(--ink); flex: none; }
.hist-row .info { flex: 1; min-width: 0; display: grid; }
.hist-row .info b { font-family: var(--display); }
.hist-row small { color: var(--muted); }
.stamp-sm {
  width: 52px; height: 52px; flex: none; border-radius: 50%; border: 2px solid var(--pen); color: var(--pen);
  display: grid; place-items: center; font-family: var(--hand); font-size: 1.5rem; transform: rotate(-10deg);
}
.replay { display: flex; flex-direction: column; gap: 14px; padding: 22px 22px 22px 64px; border-radius: var(--radius); }

/* ================================================================ acessos */
.access-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 20px; align-items: start; }
.access-grid > .sheet { padding: 20px; }
.access-grid h2 { margin-bottom: 4px; }
.invite-result { display: grid; gap: 8px; padding: 14px; border-radius: 12px; background: var(--check-soft); border: 1.5px dashed var(--check); }
.invite-result p { margin: 0; }
.copy-row { display: flex; gap: 8px; }
.copy-row input { font-family: ui-monospace, Menlo, monospace; font-size: .8rem; }
.people { display: grid; margin-top: 8px; }
.person { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 14px; align-items: center; padding: 16px 2px; border-top: 1px dashed var(--line); }
.person:first-child { border-top: 0; }
.person .who { display: grid; min-width: 0; }
.person .who b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.person .who small { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.person .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 5px; align-items: center; }
.person .usage { font-size: .78rem; color: var(--muted); font-weight: 700; }
.person .acts { grid-column: 2; display: flex; gap: 6px; flex-wrap: wrap; }
.person .acts:empty { display: none; }

/* ================================================================ ajustes */
.settings { display: grid; gap: 20px; }
.settings > .sheet { padding: 22px; }
.settings h2 { margin-bottom: 14px; }
.facts { display: grid; gap: 6px; }
.fact { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 6px 6px 14px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); font-size: .92rem; }

/* ================================================================ login / convite */
.gate { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.gate-card {
  width: min(440px, 100%); padding: 36px 30px 30px 54px; display: grid; gap: 14px;
  background:
    linear-gradient(90deg, transparent 33px, var(--margin) 33px, var(--margin) 35px, transparent 35px),
    linear-gradient(transparent 31px, var(--rule) 32px) 0 6px / 100% 32px,
    var(--sheet);
  border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow-lift); transform: rotate(-.6deg);
}
.gate-card .crest { width: 58px; height: 58px; font-size: 1.35rem; }
.gate-card h1 { font-size: 2rem; }
.gate-card .hand { color: var(--pen); font-size: 1.5rem; }
.gate-card p { margin: 0; }
.gate-foot { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 18px; }

/* ================================================================ vazio / toast */
.empty { text-align: center; padding: 56px 16px; display: grid; gap: 12px; justify-items: center; }
.empty .hand { font-size: 2.3rem; color: var(--pen); }
.empty p { margin: 0; max-width: 46ch; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 60;
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 12px; font-weight: 700;
  box-shadow: var(--shadow-lift); max-width: calc(100vw - 32px);
}
.toast.err { background: var(--pen); color: #fff; }

/* ================================================================ responsivo */
@media (max-width: 1000px) { .access-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { display: none; }
  .tabbar { display: grid; }
  .page { padding: 22px 16px 110px; }
  .hero { grid-template-columns: 1fr; padding: 22px 18px 22px 40px; }
  .hero::before { left: 22px; }
  .level-card { justify-items: start; }
  .level-pick { justify-content: flex-start; }
  .report { grid-template-columns: repeat(2, 1fr); }
  .classroom { height: calc(100dvh - 64px - env(safe-area-inset-bottom)); border: 0; }
  .toast { bottom: 90px; }
}
@media (max-width: 560px) {
  .msg { max-width: 92%; }
  .notebook {
    padding: 16px 12px 18px 38px;
    background:
      linear-gradient(90deg, transparent 23px, var(--margin) 23px, var(--margin) 25px, transparent 25px),
      linear-gradient(transparent 31px, var(--rule) 32px) 0 0 / 100% 32px,
      var(--sheet);
    background-attachment: local;
  }
  .class-head, .toggles, .mission-bar, .desk { padding-left: 12px; padding-right: 12px; }
  .lessons { grid-template-columns: minmax(0, 1fr); }
  .module-head { flex-wrap: wrap; }
  .module-head p { margin: 0; width: 100%; }
  .person .acts { grid-column: 1 / -1; }
  .grades { grid-template-columns: repeat(2, 1fr); }
  .gate-card { padding: 30px 18px 24px 44px; }
  .gate-card { background:
      linear-gradient(90deg, transparent 27px, var(--margin) 27px, var(--margin) 29px, transparent 29px),
      linear-gradient(transparent 31px, var(--rule) 32px) 0 6px / 100% 32px, var(--sheet); }
  .flash { padding: 22px 18px; }
  .replay { padding: 16px 12px 16px 38px; }
}