:root {
  --bg: #0f1720;
  --surface: #ffffff;
  --surface-2: #f4f7fb;
  --ink: #1f2a37;
  --ink-soft: #5a6b80;
  --line: #dce4ee;
  --brand: #1f6feb;
  --brand-ink: #ffffff;
  --ok: #1e8a5a;
  --warn: #b7791f;
  --err: #c0392b;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 32, 0.12);
  --mono: ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: linear-gradient(180deg, #eef3f9 0%, #e3ebf4 100%);
  min-height: 100vh;
}

a { color: var(--brand); }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  background: #12202f;
  color: #fff;
  box-shadow: var(--shadow);
}

.topbar .brand { display: flex; align-items: center; gap: 12px; }
.topbar .brand img.logo { height: 36px; width: auto; display: block; }
.topbar .brand-text { display: flex; flex-direction: column; font-weight: 700; letter-spacing: 0.3px; }
.topbar .brand small { display: block; font-weight: 400; opacity: 0.7; font-size: 12px; }
.topbar .spacer { flex: 1; }
.topbar a.voltar { color: #cfe0f5; text-decoration: none; font-size: 14px; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 22px; }

.modos {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
  box-shadow: var(--shadow);
}

.modos button {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
}

.modos button[aria-selected="true"] {
  background: var(--brand);
  color: var(--brand-ink);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  margin-top: 18px;
}

.layout > * { min-width: 0; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.panel h2 {
  margin: 0 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-soft);
}

.panel svg { width: 100%; height: auto; display: block; }

.panel + .panel { margin-top: 18px; }

.drag-hint {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 8px 2px 0;
}

.hud { position: sticky; top: 18px; align-self: start; display: grid; gap: 16px; }
.hud > * { min-width: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.card h3 { margin: 0 0 10px; font-size: 15px; }

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
}

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--brand); flex: none; }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.err { background: var(--err); }

.instrucao { color: var(--ink-soft); font-size: 14px; margin: 8px 0 0; line-height: 1.45; }

.leitura-form { display: grid; gap: 10px; margin-top: 12px; min-width: 0; }

.leitura-form label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }

.input-row { display: flex; gap: 8px; align-items: stretch; min-width: 0; }

.input-row input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  font: 600 20px/1 var(--mono);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
}

.input-row input:focus { outline: none; border-color: var(--brand); }

.unit { display: flex; align-items: center; padding: 0 10px; color: var(--ink-soft); font-weight: 600; }

button.btn {
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  white-space: normal;
  min-width: 0;
}

button.btn.ghost { background: #eef3f8; color: var(--ink); border: 1px solid var(--line); }
button.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.feedback {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.45;
  border: 1px solid transparent;
  display: none;
}

.feedback.show { display: block; }
.feedback.ok { background: #e7f6ee; border-color: #b6e3cb; color: #175c3d; }
.feedback.err { background: #fdecea; border-color: #f5c2bd; color: #8f2419; }
.feedback.info { background: #eaf1fd; border-color: #c4d8f7; color: #1b4a8a; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 6px; }
.stat { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.stat .k { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink-soft); }
.stat .v { font: 700 17px/1.3 var(--mono); }

.historico { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; max-height: 190px; overflow: auto; }
.historico li {
  display: flex; align-items: center; gap: 8px;
  font: 600 13px/1 var(--mono);
  padding: 8px 10px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line);
}
.historico li .tag { margin-left: auto; font-size: 11px; font-family: var(--sans); padding: 2px 8px; border-radius: 999px; }
.historico li .tag.ok { background: #d6f0e2; color: #175c3d; }
.historico li .tag.err { background: #f8d7d3; color: #8f2419; }

.help { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; }
.help code { font-family: var(--mono); background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }

.toolbar { display: flex; gap: 8px; margin-top: 12px; }
.toolbar .btn { flex: 1; }

.lab-card { display: block; text-decoration: none; color: inherit; }
.hero { max-width: 900px; margin: 12px 0 22px; }
.hero h1 { font-size: 30px; margin: 0 0 6px; }
.hero p { color: var(--ink-soft); margin: 0 0 22px; }
.grid-labs { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }

/* ---------- Layout de conteúdo / autenticação ---------- */

.content { max-width: 1280px; margin: 0; padding: 22px 26px; }

.muted { color: var(--ink-soft); }

.topbar .user-box { display: flex; align-items: center; gap: 12px; }
.topbar .user-name { color: #fff; font-weight: 600; font-size: 14px; text-decoration: none; }
a.user-name:hover { text-decoration: underline; }
.topbar .user-role { color: #9fb4cf; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.topbar .logout-form { margin: 0; }

button.btn.small { padding: 8px 12px; font-size: 13px; border-radius: 8px; }

.alert-zone { max-width: 900px; margin: 18px auto 0; padding: 0 22px; display: grid; gap: 8px; }
.alert { padding: 12px 14px; border-radius: 10px; font-size: 14px; border: 1px solid transparent; }
.alert.ok { background: #e7f6ee; border-color: #b6e3cb; color: #175c3d; }
.alert.err { background: #fdecea; border-color: #f5c2bd; color: #8f2419; }

.auth-wrap { max-width: 420px; margin: 48px auto; padding: 0 22px; }
.auth-card h1 { margin: 0 0 6px; font-size: 24px; }
.auth-card .muted { margin: 0 0 18px; }

.form { display: grid; gap: 6px; }
.form label { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-top: 8px; }
.form input {
  font: 400 16px/1.3 var(--sans);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
}
.form input:focus { outline: none; border-color: var(--brand); }
.form .btn { margin-top: 16px; }

.field-error { color: var(--err); font-size: 12.5px; }
.auth-links { margin-top: 16px; font-size: 14px; }

.state-page { max-width: 640px; margin: 80px auto; padding: 0 22px; text-align: center; }
.state-page h1 { font-size: 56px; margin: 0 0 8px; color: var(--ink-soft); }

/* ---------- Shell com painel lateral ---------- */

.shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  align-items: stretch;
}

.painel {
  background: var(--surface);
  border-right: 1px solid var(--line);
  min-height: calc(100vh - 64px);
  padding: 16px 12px;
}

.painel nav { display: grid; gap: 4px; align-content: start; }

.painel .grupo {
  font: 600 11px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-soft);
  margin: 14px 12px 4px;
}

.painel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
}

a.painel-item:hover { background: var(--surface-2); }
a.painel-item.active { background: #e8f0fe; color: var(--brand); }
.painel-item.disabled { color: var(--ink-soft); opacity: 0.6; cursor: default; }
.painel-item .ico { width: 18px; text-align: center; flex: none; }

.painel-rodape {
  margin-top: 16px;
  padding: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .painel {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 10px 12px;
  }
  .painel nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 6px;
  }
  .painel .grupo,
  .painel-rodape { display: none; }
}

/* ---------- Botões como link ---------- */

a.btn {
  display: inline-block;
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--brand);
  color: #fff;
}
a.btn.ghost { background: #eef3f8; color: var(--ink); border: 1px solid var(--line); }
a.btn.small { padding: 8px 12px; font-size: 13px; border-radius: 8px; }

/* ---------- Admin: tabelas e formulários ---------- */

.admin-page { max-width: 1100px; }
.admin-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.admin-head h1 { margin: 0 0 4px; font-size: 24px; }
.admin-page .panel + .panel { margin-top: 18px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th,
.table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--ink-soft); }
.table tbody tr:hover { background: var(--surface-2); }

.ta-r { text-align: right; }
.nowrap { white-space: nowrap; }
.inline-form { display: inline; margin: 0 0 0 6px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge.ok { background: #d6f0e2; color: #175c3d; }
.badge.warn { background: #fdf1d6; color: #8a5a12; }
.badge.muted { background: #eef2f7; color: #5a6b80; }

.form-legend {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-soft);
  font-weight: 700;
  margin-top: 18px;
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 16px;
  margin-top: 6px;
}
.form .check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  margin-top: 6px;
}
.form .check input { width: auto; flex: none; }
.form select {
  font: 400 16px/1.3 var(--sans);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.form-actions { display: flex; gap: 10px; margin-top: 20px; }

/* ---------- Seletor de idioma (topbar) ---------- */

.lang-switch {
  display: flex;
  gap: 2px;
  margin-right: 8px;
  background: rgba(255, 255, 255, 0.10);
  border-radius: 8px;
  padding: 2px;
}
.lang-switch .lang {
  color: #cfe0f5;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 5px 9px;
  border-radius: 6px;
}
.lang-switch .lang:hover { background: rgba(255, 255, 255, 0.12); }
.lang-switch .lang.active { background: var(--brand); color: #fff; }

/* ---------- Aula com instrutor (personagem) ---------- */

.lesson { max-width: 1180px; }
.lesson-head { margin-bottom: 16px; }
.lesson-head h1 { margin: 0 0 4px; font-size: 24px; }

.lesson-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 920px) { .lesson-grid { grid-template-columns: 1fr; } }

.lesson-stage { display: flex; flex-direction: column; align-items: center; }
.presenter { width: 100%; max-width: 340px; }
.presenter-svg { width: 100%; height: auto; display: block; }
.puppet-canvas { width: 100%; height: auto; display: block; }

.lesson-caption {
  margin-top: 12px;
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  min-height: 64px;
}
.caption-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-soft);
  font-weight: 700;
}
.lesson-caption p { margin: 6px 0 0; font-size: 15px; line-height: 1.5; }

.lesson-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; width: 100%; }
.lesson-state { margin: 8px 0 0; font-size: 13px; }

.lesson-script { position: sticky; top: 16px; }
.lesson-script ol { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 8px; }
.lesson-script li {
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
}
.lesson-script li:hover { background: var(--surface-2); }
.lesson-script li.active { background: #e8f0fe; color: var(--ink); font-weight: 600; }