/* ==========================================================================
   deck.css — Estilos da ferramenta Deck de Cyber (quiz)
   Depende dos tokens definidos em base.css. © @JottaCyber
   ========================================================================== */
/* container da página do deck */
.deck-wrap { max-width: var(--maxw); margin-inline:auto; padding-inline:20px; padding-block:28px 64px; }

  .dash { background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:18px; box-shadow:var(--shadow); margin-bottom:22px; }
  .dash-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; flex-wrap:wrap; }
  .dash-head h2 { font-size:13px; text-transform:uppercase; letter-spacing:.12em; color:var(--muted); margin:0; font-weight:600; }
  .reset { background:none; border:none; color:var(--muted); font-size:12px; cursor:pointer; font-family:"IBM Plex Mono",monospace; text-decoration:underline dotted; }
  .reset:hover { color:var(--errei); }
  .tiles { display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin-bottom:18px; }
  .tile { background:var(--surface-2); border:1px solid var(--line); border-radius:12px; padding:12px 14px; }
  .tile .n { font-size:1.6rem; font-weight:700; font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1; }
  .tile .l { font-size:10.5px; color:var(--muted); margin-top:6px; text-transform:uppercase; letter-spacing:.06em; }
  .tile.ok .n{color:var(--dominei);} .tile.warn .n{color:var(--dificuldade);} .tile.bad .n{color:var(--errei);} .tile.acc .n{color:var(--accent);}
  .cat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
  .cat-card { border:1px solid var(--line); border-radius:12px; padding:13px; background:var(--surface-2); }
  .cat-card .ch { display:flex; align-items:center; gap:8px; font-weight:600; font-size:14px; margin-bottom:4px; }
  .dot { width:9px; height:9px; border-radius:50%; flex:none; }
  .cat-card .sub { font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums; }
  .bar { height:7px; border-radius:999px; background:var(--line); overflow:hidden; display:flex; margin-top:10px; }
  .bar span { height:100%; display:block; }
  .bar .s-dominei{background:var(--dominei);} .bar .s-dificuldade{background:var(--dificuldade);} .bar .s-errei{background:var(--errei);}
  .weak { margin-top:10px; font-size:11.5px; color:var(--muted); }
  .weak b { color:var(--errei); font-weight:600; }

  .controls { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-bottom:18px; }
  .chip { border:1px solid var(--line); background:var(--surface); color:var(--muted); border-radius:999px; padding:7px 14px; font-size:12.5px; cursor:pointer; font-family:inherit; transition:all .12s; }
  .chip:hover { border-color:var(--accent); color:var(--ink); }
  .chip[aria-pressed="true"] { background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600; }
  :root[data-theme="dark"] .chip[aria-pressed="true"]{color:#06131a;}
  :root:not([data-theme="light"]) .chip[aria-pressed="true"]{ @media (prefers-color-scheme:dark){color:#06131a;} }
  .spacer { flex:1 1 auto; }
  .counter { font-family:"IBM Plex Mono",monospace; font-size:12px; color:var(--muted); font-variant-numeric:tabular-nums; }

  /* seletor de nível (segmented) */
  .levels { display:flex; gap:0; background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:4px; margin-bottom:12px; width:fit-content; max-width:100%; box-shadow:var(--shadow); }
  .lvl { border:none; background:transparent; color:var(--muted); border-radius:9px; padding:9px 18px; font-family:inherit; font-size:13px; font-weight:600; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:1px; line-height:1.15; transition:all .12s; }
  .lvl small { font-weight:400; font-size:10px; opacity:.85; font-family:"IBM Plex Mono",monospace; }
  .lvl:hover { color:var(--ink); }
  .lvl[aria-pressed="true"] { background:var(--surface-2); color:var(--ink); box-shadow:inset 0 0 0 1px var(--line); }
  .lvl[data-level="easy"][aria-pressed="true"]   { box-shadow:inset 0 0 0 1.5px var(--dominei); color:var(--dominei); }
  .lvl[data-level="medium"][aria-pressed="true"] { box-shadow:inset 0 0 0 1.5px var(--dificuldade); color:var(--dificuldade); }
  .lvl[data-level="hard"][aria-pressed="true"]   { box-shadow:inset 0 0 0 1.5px var(--errei); color:var(--errei); }

  /* badge de dificuldade no cartão */
  .tag.diff { text-transform:uppercase; }
  .tag.diff.easy { background:color-mix(in srgb,var(--dominei) 20%,transparent); color:var(--dominei); }
  .tag.diff.medium { background:color-mix(in srgb,var(--dificuldade) 22%,transparent); color:var(--dificuldade); }
  .tag.diff.hard { background:color-mix(in srgb,var(--errei) 20%,transparent); color:var(--errei); }
  .back .tag.diff.easy { background:#4fca8228; color:#7ee0a4; }
  .back .tag.diff.medium { background:#eca93f28; color:#f1c980; }
  .back .tag.diff.hard { background:#f0616c28; color:#ff9aa2; }

  .stage { perspective:1800px; margin-bottom:16px; }
  .flashcard { position:relative; width:100%; min-height:420px; transform-style:preserve-3d; transition:transform .55s cubic-bezier(.4,.1,.2,1); }
  .flashcard.flipped { transform:rotateY(180deg); }
  @media (prefers-reduced-motion:reduce){ .flashcard{transition:none;} }
  .face { position:absolute; inset:0; backface-visibility:hidden; -webkit-backface-visibility:hidden; border-radius:18px; padding:24px; display:flex; flex-direction:column; box-shadow:var(--shadow); overflow:auto; }
  .front { background:var(--surface); border:1px solid var(--line); }
  .back { background:var(--card-back); color:var(--card-back-ink); border:1px solid var(--card-back-line); transform:rotateY(180deg); }

  .meta { display:flex; align-items:center; gap:8px; margin-bottom:14px; flex-wrap:wrap; }
  .tag { font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; padding:3px 9px; border-radius:6px; font-weight:600; }
  .tag.sub { background:var(--surface-2); color:var(--muted); }
  .back .tag.sub { background:#ffffff12; color:#9fb4c4; }
  .idx { margin-left:auto; font-family:"IBM Plex Mono",monospace; font-size:11px; color:var(--muted); }
  .back .idx { color:#6f8598; }
  .q { font-size:clamp(1.1rem,2.5vw,1.4rem); font-weight:600; letter-spacing:-.01em; text-wrap:balance; margin:0 0 18px; }

  /* opções de múltipla escolha */
  .options { display:flex; flex-direction:column; gap:9px; }
  .opt { display:flex; gap:11px; align-items:flex-start; text-align:left; width:100%; background:var(--surface-2); border:1.5px solid var(--line); color:var(--ink); border-radius:12px; padding:13px 15px; font-family:inherit; font-size:14px; line-height:1.45; cursor:pointer; transition:border-color .12s, background .12s; }
  .opt:hover:not(:disabled) { border-color:var(--accent); }
  .opt:disabled { cursor:default; }
  .opt .key { flex:none; width:22px; height:22px; border-radius:6px; background:var(--surface); border:1px solid var(--line); display:grid; place-items:center; font-family:"IBM Plex Mono",monospace; font-size:12px; font-weight:600; color:var(--muted); }
  .opt.correct { border-color:var(--dominei); background:color-mix(in srgb, var(--dominei) 14%, transparent); }
  .opt.correct .key { background:var(--dominei); color:#fff; border-color:var(--dominei); }
  .opt.wrong { border-color:var(--errei); background:color-mix(in srgb, var(--errei) 13%, transparent); }
  .opt.wrong .key { background:var(--errei); color:#fff; border-color:var(--errei); }
  .opt.dim { opacity:.55; }

  .post { margin-top:16px; padding-top:15px; border-top:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; }
  .verdict { font-weight:600; font-size:14px; display:flex; align-items:center; gap:7px; }
  .verdict.ok { color:var(--dominei); } .verdict.no { color:var(--errei); }
  .see { background:var(--accent); border:none; color:#fff; border-radius:11px; padding:10px 18px; font-size:13px; font-weight:600; cursor:pointer; font-family:inherit; }
  :root[data-theme="dark"] .see, :root:not([data-theme="light"]) .see { @media (prefers-color-scheme:dark){color:#06131a;} }
  .peek { margin-top:14px; text-align:center; font-size:12px; color:var(--muted); font-family:"IBM Plex Mono",monospace; }
  .peek button { background:none; border:none; color:var(--muted); cursor:pointer; text-decoration:underline dotted; font:inherit; }
  .peek button:hover { color:var(--accent); }

  .a-label { font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-ink); margin-bottom:8px; }
  .a-body { font-size:14.5px; line-height:1.6; }
  .a-body p { margin:0 0 10px; }
  .a-body code { background:#ffffff14; border:1px solid #ffffff1f; padding:1px 6px; border-radius:5px; font-size:12.5px; color:#a9e7f0; }
  .a-body pre { background:#00000045; border:1px solid var(--card-back-line); border-radius:9px; padding:11px 13px; overflow-x:auto; font-size:12.5px; line-height:1.55; margin:4px 0 12px; }
  .a-body pre code { background:none; border:none; padding:0; white-space:pre; color:#cfe8ef; }
  .why { margin-top:14px; padding:13px 15px; border-left:3px solid var(--accent); background:#ffffff0a; border-radius:0 10px 10px 0; }
  .why .wl { font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent-ink); margin-bottom:5px; }
  .why p { margin:0; font-size:13px; line-height:1.55; color:#cbd8e4; }

  .grade { display:grid; grid-template-columns:repeat(3,1fr); gap:9px; margin-top:18px; padding-top:16px; border-top:1px solid var(--card-back-line); }
  .glabel { grid-column:1/-1; font-size:11.5px; color:#8ba0b3; margin-bottom:-4px; font-family:"IBM Plex Mono",monospace; }
  .gbtn { border:1px solid; background:transparent; border-radius:11px; padding:11px 8px; cursor:pointer; font-family:inherit; font-weight:600; font-size:13px; display:flex; flex-direction:column; align-items:center; gap:3px; transition:all .12s; position:relative; }
  .gbtn small { font-weight:400; font-size:10px; opacity:.8; font-family:"IBM Plex Mono",monospace; }
  .gbtn.g-errei{color:var(--errei);border-color:var(--errei);} .gbtn.g-dificuldade{color:var(--dificuldade);border-color:var(--dificuldade);} .gbtn.g-dominei{color:var(--dominei);border-color:var(--dominei);}
  .gbtn:hover.g-errei{background:var(--errei);color:#fff;} .gbtn:hover.g-dificuldade{background:var(--dificuldade);color:#1a1206;} .gbtn:hover.g-dominei{background:var(--dominei);color:#06180e;}
  .gbtn.suggest::after { content:"★"; position:absolute; top:-9px; right:8px; font-size:11px; line-height:1; width:18px; height:18px; display:grid; place-items:center; background:currentColor; color:var(--card-back); border-radius:50%; }

  .nav { display:flex; align-items:center; justify-content:space-between; gap:12px; }
  .nav button { background:var(--surface); border:1px solid var(--line); color:var(--ink); border-radius:11px; padding:11px 20px; font-size:13px; cursor:pointer; font-family:inherit; font-weight:500; }
  .nav button:hover:not(:disabled){ border-color:var(--accent); }
  .nav button:disabled { opacity:.4; cursor:default; }
  .status-line { font-size:11.5px; font-family:"IBM Plex Mono",monospace; color:var(--muted); text-align:center; }
  .status-line .pill { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:5px; vertical-align:middle; }
  .empty { text-align:center; padding:50px 20px; color:var(--muted); margin:auto; }
  @media (max-width:820px){ .tiles{grid-template-columns:repeat(3,1fr);} }
  @media (max-width:640px){ .tiles{grid-template-columns:repeat(2,1fr);} .cat-grid{grid-template-columns:1fr;} }