/* ============================================================
   Destruindo Flashcards: tema preto + magenta, navegação lateral
   ============================================================ */
:root {
  --bg: #060608;
  --bg-2: #0d0d12;
  --side: #0f0f15;
  --panel: #17171f;
  --panel-2: #22222c;
  --line: #2f2f3b;
  --line-2: #464655;
  --text: #F5F5FA;
  --muted: #afafbf;
  --mg: #C83EFA;
  --mg-2: #9B30E0;
  --mg-3: #5C1A9A;
  --mg-soft: rgba(200,62,250,.10);
  --mg-line: rgba(200,62,250,.45);
  --ok: #34d399;
  --ko: #fb7185;
  --shadow: 0 10px 30px rgba(0,0,0,.55);
  --glow: 0 0 22px rgba(200,62,250,.35);
  --sb-w: 300px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: var(--mg); text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Estrutura ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sb-w); flex: none; background: var(--side); border-right: 1px solid var(--line);
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column;
  box-shadow: 8px 0 30px rgba(0,0,0,.45);
}
.sb-brand { display: flex; align-items: center; justify-content: space-between; padding: 16px 16px 12px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; font-weight: 900; background: linear-gradient(135deg, var(--mg), var(--mg-3)); color: #fff; box-shadow: var(--glow); }
.brand-name { font-weight: 800; font-size: 1.12rem; letter-spacing: .4px; }
.brand-name em { font-style: normal; color: var(--mg); }
.sb-body { flex: 1; overflow-y: auto; padding: 12px 10px 20px; }
.sb-body::-webkit-scrollbar { width: 8px; } .sb-body::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 8px; }
.sb-foot { padding: 12px 16px; border-top: 1px solid var(--line); font-size: .8rem; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.sb-foot a { color: var(--mg); font-weight: 700; }
.sb-close { display: none; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 12px; padding: 12px 22px; background: rgba(10,10,12,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font-size: 1.15rem; display: none; place-items: center; }
.top-link { margin-left: auto; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font-weight: 700; font-size: .85rem; }
.top-link.active, .top-link:hover { border-color: var(--mg-line); color: var(--mg); box-shadow: var(--glow); }
.app { flex: 1; width: 100%; max-width: 1180px; padding: 24px 22px 60px; }

.crumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; color: var(--muted); font-size: .84rem; min-width: 0; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--mg); }
.crumbs .sep { opacity: .5; }

/* ---------- Menu lateral ---------- */
.sb-section { font-size: .7rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); font-weight: 800; padding: 14px 10px 6px; }
.sb-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--text); font-weight: 600; font-size: .9rem; border: 1px solid transparent; }
.sb-item:hover { background: var(--panel); border-color: var(--line); }
.sb-item.active { background: var(--mg-soft); border-color: var(--mg-line); color: #fff; box-shadow: inset 3px 0 0 var(--mg); }
.sb-item .ic { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); flex: none; }
.sb-item.active .ic, .sb-item.has .ic { background: var(--mg); box-shadow: 0 0 10px var(--mg); }
.sb-item .cnt { margin-left: auto; font-size: .72rem; color: var(--muted); font-weight: 700; white-space: nowrap; flex: none; }
.sb-item.soon { color: var(--muted); }
.sb-select { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font-weight: 700; margin: 4px 0 6px; }

.sb-tree { margin: 4px 0 0 6px; padding-left: 10px; border-left: 1px solid var(--line); }
.sb-node > .sb-head { width: 100%; display: flex; align-items: flex-start; gap: 8px; padding: 8px 8px; border: 0; background: none; color: var(--text); text-align: left; border-radius: 8px; font-size: .84rem; }
.sb-node > .sb-head:hover { background: var(--panel); }
.sb-node > .sb-head .num { flex: none; min-width: 30px; text-align: center; font-size: .68rem; font-weight: 900; color: var(--mg); background: var(--mg-soft); border: 1px solid var(--mg-line); border-radius: 6px; padding: 1px 5px; margin-top: 2px; }
.sb-node > .sb-head .t { flex: 1; font-weight: 600; }
.sb-node > .sb-head .qn { flex: none; font-size: .66rem; font-weight: 800; color: var(--mg); border: 1px solid var(--mg-line); border-radius: 999px; padding: 1px 7px; margin-top: 2px; white-space: nowrap; }
.sb-node > .sb-head .caret { flex: none; color: var(--muted); transition: transform .2s; margin-top: 2px; }
.sb-node.open > .sb-head .caret { transform: rotate(90deg); color: var(--mg); }
.sb-node > .sb-kids { display: none; margin-left: 8px; padding-left: 8px; border-left: 1px dashed var(--line); }
.sb-node.open > .sb-kids { display: block; }
.sb-leaf { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: 8px; font-size: .8rem; color: var(--muted); }
.sb-leaf:hover { background: var(--panel); color: var(--text); }
.sb-leaf.active { background: var(--mg-soft); color: #fff; box-shadow: inset 3px 0 0 var(--mg); }
.sb-leaf .dot { width: 8px; height: 8px; border-radius: 50%; border: 2px solid var(--line-2); flex: none; }
.sb-leaf .dot.done { background: var(--mg); border-color: var(--mg); box-shadow: 0 0 8px var(--mg); }
.sb-leaf .q { margin-left: auto; font-size: .68rem; color: var(--muted); }
.sb-empty { padding: 8px 10px; color: var(--muted); font-size: .8rem; }

/* ---------- Conteúdo ---------- */
h1.title { font-size: clamp(1.35rem, 2.6vw, 1.9rem); margin: 0 0 4px; }
h1.title .mg { color: var(--mg); }
.subtitle { color: var(--muted); margin: 0 0 18px; font-size: .95rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.panel-h { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.panel-h h2 { margin: 0; font-size: 1rem; }
.panel-h .r { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.panel-b { padding: 8px 18px 16px; }
.section { margin-top: 20px; }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: .74rem; font-weight: 700; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--muted); }
.chip.mg { color: var(--mg); border-color: var(--mg-line); background: var(--mg-soft); }
.chip.soon { color: var(--muted); border-style: dashed; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font-weight: 700; font-size: .84rem; transition: border-color .2s, box-shadow .2s, transform .15s; white-space: nowrap; }
.btn:hover { border-color: var(--mg-line); box-shadow: var(--glow); transform: translateY(-1px); }
.btn.primary { background: linear-gradient(135deg, var(--mg), var(--mg-2)); color: #fff; border: 0; box-shadow: var(--glow); }
.btn.outline { background: transparent; border-color: var(--mg-line); color: var(--mg); }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: .78rem; border-radius: 8px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { text-align: center; padding: 16px 10px; }
.kpi b { display: block; font-size: 1.8rem; font-weight: 900; color: var(--mg); text-shadow: var(--glow); }
.kpi span { color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.bar { height: 8px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--mg-2), var(--mg)); }

.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tbl th, .tbl td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.tbl th { color: var(--muted); font-size: .7rem; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 800; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: rgba(255,255,255,.02); }
.tbl td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl .ok { color: var(--ok); font-weight: 800; } .tbl .ko { color: var(--ko); font-weight: 800; }
.tbl .acts { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.tbl .grp td { background: var(--bg-2); color: var(--mg); font-weight: 800; font-size: .8rem; letter-spacing: .5px; }
.tbl .sub td { padding-left: 18px; }
.st-dot { display: inline-block; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line-2); vertical-align: middle; cursor: pointer; text-align: center; line-height: 18px; font-size: .75rem; font-weight: 900; color: transparent; }
.st-dot.done { background: var(--mg); border-color: var(--mg); color: #fff; box-shadow: 0 0 10px var(--mg); }
.empty { color: var(--muted); text-align: center; padding: 30px 10px; }

.list { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); color: var(--text); }
.row:last-child { border-bottom: 0; }
.row:hover { background: rgba(255,255,255,.02); }
.row .lbl { flex: 1; min-width: 0; }
.row .lbl b { display: block; font-size: .95rem; }
.row .lbl small { color: var(--muted); }
.row .prog { width: 160px; }
.row .prog small { display: block; color: var(--muted); font-size: .72rem; margin-top: 3px; }

/* ---------- Apostila ---------- */
.viewer-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.viewer-bar .grow { flex: 1; min-width: 200px; }
.viewer-bar h2 { margin: 0; font-size: 1.05rem; }
.viewer-bar small { color: var(--muted); }
.frame { width: 100%; height: calc(100vh - 190px); min-height: 480px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }

/* ---------- Quiz ---------- */
.quiz { max-width: 620px; margin: 0 auto; }
/* Menu lateral em pastas recolhíveis */
.sb-mat > .sb-tree { display: none; }
.sb-mat.open > .sb-tree { display: block; }
.sb-mat > .sb-item { padding: 8px 10px 8px 6px; gap: 8px; }
.sb-fold { flex: none; width: 26px; height: 26px; border-radius: 8px; border: 1px solid rgba(200,62,250,.28); background: var(--panel-2); color: var(--muted); display: grid; place-items: center; font-weight: 900; transition: transform .2s, color .2s, border-color .2s; box-shadow: 0 2px 0 rgba(0,0,0,.6); }
.sb-mat.open > .sb-item .sb-fold { transform: rotate(90deg); color: var(--mg); border-color: rgba(200,62,250,.55); }
.sb-mlink { flex: 1; min-width: 0; color: inherit; }
.sb-item.soon .sb-mlink { color: var(--muted); }
.sb-leaf.off { opacity: .5; cursor: default; }
.sb-leaf.off .q { font-style: italic; white-space: nowrap; }
.quiz-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.progress { height: 8px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line); overflow: hidden; flex: 1; min-width: 160px; }
.progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--mg-2), var(--mg)); box-shadow: var(--glow); transition: width .3s; }
.score { display: flex; gap: 8px; } .score .ok { color: var(--ok); font-weight: 900; } .score .ko { color: var(--ko); font-weight: 900; }
.result { text-align: center; padding: 30px 20px; }
.result .big { font-size: 3.2rem; font-weight: 900; color: var(--mg); text-shadow: var(--glow); }
.result .rowb { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }

/* ---------- Responsivo ---------- */
.backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 40; }
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 50; transform: translateX(-105%); transition: transform .25s; width: min(320px, 88vw); }
  .sidebar.open { transform: none; }
  .backdrop.show { display: block; }
  .icon-btn { display: grid; }
  .sb-close { display: grid; }
  .app { padding: 16px 12px 50px; }
  .row { flex-wrap: wrap; } .row .prog { width: 100%; }
  .frame { height: calc(100vh - 210px); }
  .topbar { padding: 10px 12px; }
  .crumbs { font-size: .78rem; }
}
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.app > * { animation: fade .2s ease-out; }

/* ============================================================
   Camada 3D: sombras leves, profundidade e bordas em magenta
   ============================================================ */
:root {
  --edge: rgba(200,62,250,.28);
  --edge-strong: rgba(200,62,250,.55);
  --lift: inset 0 1px 0 rgba(255,255,255,.05), inset 0 -1px 0 rgba(0,0,0,.6), 0 12px 28px rgba(0,0,0,.55), 0 2px 0 rgba(200,62,250,.12);
}
.panel { position: relative; border: 1px solid var(--edge); background: linear-gradient(180deg, #1a1a21 0%, #141419 100%); box-shadow: var(--lift); }
.panel::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: linear-gradient(135deg, rgba(200,62,250,.09), transparent 35%, transparent 70%, rgba(200,62,250,.05)); }
.panel > * { position: relative; }
.panel-h { border-bottom-color: var(--edge); background: linear-gradient(180deg, rgba(200,62,250,.07), transparent); border-radius: 14px 14px 0 0; }
.kpi { transition: transform .2s, box-shadow .2s; }
.kpi:hover { transform: translateY(-3px); box-shadow: var(--lift), var(--glow); }
.btn { border-color: var(--edge); box-shadow: 0 3px 0 rgba(0,0,0,.75), 0 6px 14px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(0,0,0,.75), inset 0 1px 0 rgba(255,255,255,.06); }
.btn.primary { box-shadow: 0 4px 0 var(--mg-3), 0 10px 22px rgba(200,62,250,.32), inset 0 1px 0 rgba(255,255,255,.25); }
.btn.primary:active { box-shadow: 0 1px 0 var(--mg-3), 0 4px 10px rgba(200,62,250,.3); }
.btn.outline { box-shadow: 0 3px 0 rgba(140,15,116,.55), 0 6px 14px rgba(0,0,0,.35); }
.sidebar { border-right: 1px solid var(--edge); box-shadow: 10px 0 30px rgba(0,0,0,.5), inset -1px 0 0 rgba(200,62,250,.08); background: linear-gradient(180deg, #121217, #0d0d11); }
.sb-brand, .sb-foot { border-color: var(--edge); }
.sb-item, .sb-leaf, .row { transition: transform .15s, background .15s, border-color .15s, box-shadow .15s; }
.sb-item:hover { border-color: var(--edge); box-shadow: 0 6px 16px rgba(0,0,0,.45); transform: translateX(2px); }
.sb-item.active { box-shadow: inset 3px 0 0 var(--mg), 0 8px 20px rgba(200,62,250,.16); }
.sb-select { border-color: var(--edge); box-shadow: inset 0 2px 6px rgba(0,0,0,.5); }
.sb-node > .sb-head .num, .sb-node > .sb-head .qn { box-shadow: 0 2px 0 rgba(0,0,0,.6); }
.topbar { border-bottom-color: var(--edge); box-shadow: 0 8px 24px rgba(0,0,0,.45); }
.top-link { border-color: var(--edge); box-shadow: 0 3px 0 rgba(0,0,0,.75); }
.row:hover { background: linear-gradient(90deg, rgba(200,62,250,.07), transparent 60%); box-shadow: inset 3px 0 0 var(--mg); }
.row { border-bottom-color: rgba(255,255,255,.05); }
.tbl th { background: rgba(200,62,250,.05); }
.tbl td { border-bottom-color: rgba(255,255,255,.05); }
.tbl .grp td { background: linear-gradient(90deg, rgba(200,62,250,.13), rgba(200,62,250,.02)); border-top: 1px solid var(--edge); }
.frame { border: 1px solid var(--edge); box-shadow: var(--lift), var(--glow); }
.chip { box-shadow: 0 2px 0 rgba(0,0,0,.5); }
.progress, .bar, .st-dot { box-shadow: inset 0 2px 4px rgba(0,0,0,.6); }
.brand-mark { box-shadow: 0 4px 0 var(--mg-3), 0 10px 24px rgba(200,62,250,.35); }
.result { border-color: var(--edge-strong); }

/* Tablet */
@media (min-width: 901px) and (max-width: 1200px) {
  :root { --sb-w: 260px; }
  .app { padding: 20px 18px 50px; }
  .kpis { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}
/* Celular */
@media (max-width: 600px) {
  .kpis { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi b { font-size: 1.4rem; }
  h1.title { font-size: 1.3rem; }
  .panel-h { padding: 12px 14px; flex-wrap: wrap; }
  .row { padding: 12px 14px; }
  .tbl { font-size: .82rem; }
  .tbl th, .tbl td { padding: 9px 7px; }
  .tbl .acts { justify-content: flex-start; }
  .tbl.materia th:nth-child(4), .tbl.materia td:nth-child(4), .tbl.materia th:nth-child(5), .tbl.materia td:nth-child(5) { display: none; }
  .viewer-bar .btn { flex: 1; justify-content: center; }
}
/* App instalado (PWA) e aparelhos com notch */
@supports (padding: env(safe-area-inset-top)) {
  .topbar { padding-top: max(10px, env(safe-area-inset-top)); }
  .app { padding-bottom: max(50px, env(safe-area-inset-bottom)); }
  .sidebar { padding-top: env(safe-area-inset-top); }
}

[hidden] { display: none !important; }

/* Abas do menu lateral: Concursos, Desempenho, Configurações */
.sb-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; padding: 4px; margin: 2px 0 8px; border: 1px solid rgba(200,62,250,.28); border-radius: 12px; background: var(--bg-2); box-shadow: inset 0 2px 6px rgba(0,0,0,.5); }
.sb-tab { text-align: center; padding: 9px 2px; border-radius: 9px; font-size: .72rem; font-weight: 800; color: var(--muted); transition: background .15s, color .15s, box-shadow .15s; }
.sb-tab:hover { color: var(--text); background: var(--panel); }
.sb-tab.active { color: #fff; background: linear-gradient(135deg, var(--mg), var(--mg-2)); box-shadow: 0 3px 0 var(--mg-3), 0 8px 18px rgba(200,62,250,.3); }

/* Formulários de configurações */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px 18px; padding-top: 14px; }
.fld { display: flex; flex-direction: column; gap: 6px; }
.fld > span { font-size: .72rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.fld input, .fld select { padding: 11px 12px; border-radius: 10px; border: 1px solid rgba(200,62,250,.28); background: var(--bg-2); color: var(--text); font: inherit; box-shadow: inset 0 2px 6px rgba(0,0,0,.5); }
.fld input:focus, .fld select:focus { outline: none; border-color: var(--mg); box-shadow: inset 0 2px 6px rgba(0,0,0,.5), var(--glow); }
.sw { display: flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 600; }
.sw input { position: absolute; opacity: 0; pointer-events: none; }
.sw i { flex: none; width: 46px; height: 26px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line-2); position: relative; box-shadow: inset 0 2px 5px rgba(0,0,0,.6); transition: background .2s, border-color .2s; }
.sw i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #d4d4dc; box-shadow: 0 2px 4px rgba(0,0,0,.6); transition: transform .2s, background .2s; }
.sw input:checked + i { background: linear-gradient(135deg, var(--mg), var(--mg-2)); border-color: var(--mg); }
.sw input:checked + i::after { transform: translateX(20px); background: #fff; }
.acts-row { display: flex; gap: 10px; flex-wrap: wrap; }
.save-bar { display: flex; justify-content: flex-end; align-items: center; gap: 12px; flex-wrap: wrap; }

/* Flashcard grande (opção em Configurações) */
body.fc-grande .quiz { max-width: 700px; }
body.fc-grande .fc-stage .card-container { max-width: 650px; padding: 40px 32px 44px; }
body.fc-grande .fc-stage .text-principal { font-size: clamp(18px, 2.6vw, 24px); }
body.fc-grande .fc-stage .text-didatico { font-size: clamp(15px, 2vw, 19px); }
body.fc-grande .fc-stage .btn-certo, body.fc-grande .fc-stage .btn-errado { font-size: clamp(18px, 3vw, 28px); padding: 18px 6px; }

/* Brilho do card sem corte e sem rolagem lateral */
.main { overflow-x: clip; }
.quiz .fc-stage { overflow: visible; }

/* Verso em duas colunas em telas largas: tudo visível sem rolar */
@media (min-width: 1000px) {
  .quiz:has(.verso) { max-width: 940px; }
  .quiz .fc-stage .card-container.verso { max-width: 920px; padding: 24px 28px 30px; }
  .quiz .fc-stage .verso .box-conteudo { margin: 8px 0; }
  .quiz .fc-stage .verso .gabarito-linha-unica { margin: 8px 0 4px; }
  .quiz .fc-stage .verso .box-estrutura { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 26px; margin: 8px 0 0; }
  .quiz .fc-stage .verso .box-estrutura .label-sessao-hibrida { grid-column: 1 / -1; }
  .quiz .fc-stage .verso .dica-ouro-box { margin: 8px 0 0; }
  .quiz:has(.verso) .fc-nav { max-width: 920px; }
}

/* Botões Sair / Próxima sempre visíveis no verso */
.quiz:has(.verso) .fc-nav { position: sticky; bottom: 0; z-index: 20; padding: 10px 0 max(10px, env(safe-area-inset-bottom)); background: linear-gradient(180deg, transparent, rgba(10,10,12,.92) 35%); }

/* Celular: topo em uma linha */
@media (max-width: 600px) {
  .crumbs { flex-wrap: nowrap; overflow: hidden; white-space: nowrap; flex: 1; }
  .crumbs > *:not(:last-child) { display: none; }
  .crumbs > :last-child { overflow: hidden; text-overflow: ellipsis; }
  .top-link { padding: 6px 10px; font-size: .75rem; }
}

/* Aviso de atualização do aplicativo */
.update-bar { position: fixed; left: 50%; transform: translateX(-50%); bottom: max(14px, env(safe-area-inset-bottom)); z-index: 90; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 14px; background: var(--panel); border: 1px solid rgba(200,62,250,.45); box-shadow: var(--shadow), var(--glow); font-size: .85rem; }

.sb-legal { width: 100%; display: flex; gap: 14px; font-size: .72rem; }
.sb-legal a { color: var(--muted); font-weight: 600; }
.sb-legal a:hover { color: var(--mg); }

/* Barra geral de progresso do edital */
.bar.big { height: 16px; border-radius: 999px; box-shadow: inset 0 2px 6px rgba(0,0,0,.6); }
.bar.big i { background: linear-gradient(90deg, var(--mg-3), var(--mg-2) 45%, var(--mg)); box-shadow: 0 0 18px rgba(200,62,250,.45); position: relative; transition: width .4s ease; }
.bar.big.alt i { background: linear-gradient(90deg, #4b4b59, #7c7c8c); box-shadow: none; }
.bar-legend { display: flex; justify-content: space-between; gap: 12px; margin-top: 7px; color: var(--muted); font-size: .8rem; flex-wrap: wrap; }
.bar-legend span:last-child { color: var(--text); font-weight: 800; }

/* Logo do aplicativo no menu lateral */
img.brand-mark { width: 46px; height: 46px; object-fit: cover; background: #0a0a0c; border: 1px solid rgba(200,62,250,.4); border-radius: 50%; padding: 0; flex-shrink: 0; }

/* Concurso no menu lateral, com logo */
.sb-concurso { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 4px 12px rgba(0,0,0,.45); color: var(--text); margin-bottom: 4px; }
.sb-concurso:hover { border-color: var(--mg-line); box-shadow: var(--glow); }
.sb-concurso img { width: 42px; height: 42px; flex: none; border-radius: 10px; background: #fff; object-fit: contain; padding: 3px; }
.sc-txt { display: flex; flex-direction: column; min-width: 0; }
.sc-txt b { font-size: .9rem; }
.sc-txt small { color: var(--muted); font-size: .75rem; }
.logo-mini { width: 44px; height: 44px; border-radius: 10px; background: #fff; object-fit: contain; padding: 3px; flex: none; }
.cab-concurso { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.cab-concurso img { width: 64px; height: 64px; border-radius: 14px; background: #fff; object-fit: contain; padding: 5px; flex: none; box-shadow: var(--shadow); }
.icon-btn.back { display: grid; font-size: 1.5rem; line-height: 1; }
.icon-btn.back:hover { border-color: var(--mg-line); color: var(--mg); box-shadow: var(--glow); }

/* ============================================================
   Cabecalhos com profundidade: degrade do claro para o escuro,
   sombras e brilho magenta
   ============================================================ */
body::before {
  content: ""; position: fixed; inset: 0 0 auto 0; height: 320px; pointer-events: none; z-index: 0;
  background: radial-gradient(90% 120% at 50% -30%, rgba(200,62,250,.18), rgba(200,62,250,.05) 45%, transparent 70%);
}
.shell { position: relative; z-index: 1; }

.app > h1.title {
  position: relative; margin: 0; padding: 20px 24px 10px;
  background: linear-gradient(180deg, #2a1730 0%, #1b1322 45%, var(--panel) 100%);
  border: 1px solid var(--line); border-bottom: 0; border-radius: 16px 16px 0 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.07), 0 14px 34px rgba(0,0,0,.55);
  text-shadow: 0 2px 14px rgba(200,62,250,.35), 0 1px 0 rgba(0,0,0,.6);
  letter-spacing: .3px;
}
.app > h1.title::after {
  content: ""; position: absolute; left: 24px; right: 24px; bottom: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--mg), rgba(200,62,250,.25) 45%, transparent);
  box-shadow: 0 0 14px rgba(200,62,250,.5);
}
.app > p.subtitle {
  margin: 0 0 22px; padding: 12px 24px 18px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-2) 100%);
  border: 1px solid var(--line); border-top: 0; border-radius: 0 0 16px 16px;
  box-shadow: 0 16px 30px rgba(0,0,0,.45);
}

/* Cabecalho do concurso, com logo */
.cab-concurso {
  padding: 18px 24px; border-radius: 16px; border: 1px solid var(--line);
  background: linear-gradient(180deg, #2a1730 0%, #1b1322 50%, var(--panel) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.07), 0 14px 34px rgba(0,0,0,.55);
}
.cab-concurso h1.title { background: none; border: 0; box-shadow: none; padding: 0; text-shadow: 0 2px 14px rgba(200,62,250,.35); }
.cab-concurso h1.title::after { display: none; }

/* Cabecalho dos paineis */
.panel-h {
  background: linear-gradient(180deg, rgba(200,62,250,.14), rgba(200,62,250,.03) 70%, transparent);
  border-radius: 14px 14px 0 0;
}
.panel-h h2 { text-shadow: 0 2px 10px rgba(200,62,250,.3); letter-spacing: .3px; }

/* Barra de cima e titulo da apostila */
.topbar { background: linear-gradient(180deg, rgba(26,16,32,.96), rgba(10,10,12,.88)); }
.viewer-bar .grow {
  padding: 14px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: linear-gradient(180deg, #2a1730, #15101c);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 10px 26px rgba(0,0,0,.5);
}
.viewer-bar h2 { text-shadow: 0 2px 12px rgba(200,62,250,.35); }

/* Titulo das materias na tabela */
.tbl .grp td {
  background: linear-gradient(180deg, rgba(200,62,250,.16), rgba(200,62,250,.04));
  text-shadow: 0 1px 8px rgba(200,62,250,.35);
}

/* Numeros do painel com leve relevo */
.kpi { background: linear-gradient(180deg, #1c1526, var(--panel)); }
.kpi b { text-shadow: 0 2px 16px rgba(200,62,250,.5); }

@media (max-width: 600px) {
  .app > h1.title { padding: 16px 16px 8px; }
  .app > p.subtitle { padding: 10px 16px 14px; }
  .cab-concurso { padding: 14px 16px; }
}

/* legenda das barras no celular: porcentagem na mesma linha */
@media (max-width: 600px) {
  .bar-legend { flex-wrap: nowrap; align-items: flex-start; gap: 10px; }
  .bar-legend span:first-child { flex: 1; min-width: 0; }
  .bar-legend span:last-child { flex: none; }
}