/* Índice AlphaON — dashboard interativo. Herda os tokens de site.css.
   Semáforo de preço: subiu (up) = mais caro = ruim = --bad; caiu (down) = --good. */

.idx { padding-block: clamp(1.25rem, 4vw, 2.5rem); }
.idx .up { color: var(--bad); }
.idx .down { color: var(--good); }

/* ---------- HERO ---------- */
.idx-hero {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 100% 0%, var(--lime-dim), transparent 55%),
    var(--bg-raise);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  overflow: hidden;
}
.idx-hero__head {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
}
@media (max-width: 720px) { .idx-hero__head { grid-template-columns: 1fr; gap: 1rem; } }

.idx-kicker {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--lime); margin: 0 0 .35rem;
}
.idx-number {
  font-family: var(--font-display);
  font-weight: 700; font-size: clamp(3.5rem, 12vw, 6.5rem); line-height: .9;
  letter-spacing: -.03em; color: var(--text);
  text-shadow: 0 0 44px var(--lime-glow);
  font-variant-numeric: tabular-nums;
}
.idx-deltas { display: flex; flex-wrap: wrap; gap: .4rem .6rem; margin-top: .9rem; }
.idx-delta {
  font-family: var(--font-mono); font-weight: 600; font-size: .82rem;
  padding: .28rem .6rem; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--line);
  display: inline-flex; align-items: baseline; gap: .35rem;
}
.idx-delta small { color: var(--text-faint); font-weight: 500; font-size: .68rem; }
.idx-say { font-size: clamp(1rem, 2.4vw, 1.35rem); line-height: 1.5; color: var(--text-dim); margin: 0; }
.idx-say strong { color: var(--text); }
.idx-empty { color: var(--text-dim); margin: 0; }

/* ---------- GRÁFICO ---------- */
.idx-chart { margin: clamp(1.25rem, 3vw, 2rem) 0 0; }
.idx-chart__periods { display: flex; gap: .3rem; margin-bottom: .75rem; }
.idx-chart__periods button {
  font-family: var(--font-mono); font-size: .74rem; font-weight: 600;
  color: var(--text-dim); background: var(--glass);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .3rem .7rem; cursor: pointer; transition: all .15s ease;
}
.idx-chart__periods button:hover { color: var(--text); border-color: var(--line-strong); }
.idx-chart__periods button.is-on {
  color: var(--bg); background: var(--lime); border-color: var(--lime);
}
.idx-chart__canvas { position: relative; height: clamp(180px, 34vw, 300px); }
.idx-chart__canvas svg { width: 100%; height: 100%; display: block; overflow: visible; }
.idx-chart__fallback { opacity: .5; }
.idx-chart__cap { font-size: .82rem; color: var(--text-faint); margin: .8rem 0 0; line-height: 1.5; }
.idx-chart__cap strong { color: var(--lime); }

/* linha + área do gráfico principal (desenhado pelo JS) */
.gx-grid line { stroke: var(--line); stroke-width: 1; }
.gx-axis { fill: var(--text-faint); font-family: var(--font-mono); font-size: 10px; }
.gx-area { fill: url(#gxFill); }
.gx-line { fill: none; stroke: var(--lime); stroke-width: 2.25; stroke-linejoin: round; stroke-linecap: round; }
.gx-dot { fill: var(--lime); stroke: var(--bg); stroke-width: 2; }
.gx-hover { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 3 3; }
.gx-tip {
  position: absolute; pointer-events: none; z-index: 5; transform: translate(-50%, -120%);
  background: var(--bg-raise-2); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: .4rem .6rem; white-space: nowrap;
  font-family: var(--font-mono); font-size: .74rem; color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.4); opacity: 0; transition: opacity .12s;
}
.gx-tip b { color: var(--lime); }
.gx-tip span { color: var(--text-faint); display: block; font-size: .66rem; }

/* ---------- CESTA ---------- */
.idx-basket {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .8rem;
  margin-top: clamp(1.25rem, 3vw, 2rem); padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}
.idx-basket__label { color: var(--text-dim); font-size: .9rem; }
.idx-basket__price { font-family: var(--font-mono); font-weight: 700; font-size: 1.5rem; color: var(--text); }
.idx-basket__then { color: var(--text-faint); font-size: .82rem; }

/* ---------- ABAS ---------- */
.idx-tabs { margin-top: clamp(1.5rem, 4vw, 2.5rem); }
.idx-tablist {
  display: flex; gap: .25rem; overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--line); margin-bottom: 1.5rem;
}
.idx-tablist::-webkit-scrollbar { display: none; }
.idx-tab {
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  color: var(--text-dim); background: none; border: 0; cursor: pointer;
  padding: .7rem .9rem; white-space: nowrap; position: relative; transition: color .15s;
}
.idx-tab:hover { color: var(--text); }
.idx-tab[aria-selected="true"] { color: var(--text); }
.idx-tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: .9rem; right: .9rem; bottom: -1px; height: 2px;
  background: var(--lime); border-radius: 2px;
}
.idx-panel[hidden] { display: none; }
.idx-panel { animation: idxfade .35s ease; }
@keyframes idxfade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.idx-h2 { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; margin: 1.75rem 0 .35rem; }
.idx-h2:first-child { margin-top: 0; }
.idx-lead { color: var(--text-dim); margin: 0 0 1.1rem; max-width: 60ch; line-height: 1.55; }
.idx-note { color: var(--text-faint); font-size: .84rem; margin: 1rem 0 0; line-height: 1.55; }
.idx-note a, .idx-lead a { color: var(--lime); }

/* ---------- CARDS (stat) ---------- */
.idx-grid {
  display: grid; gap: .7rem;
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
}
.stat {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-raise); padding: .9rem 1rem;
  display: flex; flex-direction: column; gap: .3rem; transition: border-color .15s, transform .15s;
}
.stat:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.stat--hot { background: linear-gradient(160deg, var(--lime-dim), var(--bg-raise)); border-color: var(--lime-glow); }
.stat__key { font-size: .82rem; color: var(--text-dim); display: flex; align-items: center; gap: .35rem; }
.stat__val { font-family: var(--font-mono); font-weight: 700; font-size: 1.55rem; color: var(--text); font-variant-numeric: tabular-nums; }
.stat__val small { font-size: .7rem; color: var(--text-faint); font-weight: 500; }
.stat__foot { font-size: .74rem; color: var(--text-faint); }
.stat__foot.up { color: var(--bad); }
.stat__foot.down { color: var(--good); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }

/* ---------- GRÁFICO DE COMBUSTÍVEIS ---------- */
.fuel-chart { margin: 0 0 1.25rem; }
.fuel-legend { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-bottom: .6rem; }
.fuel-legend span {
  font-family: var(--font-mono); font-size: .76rem; color: var(--text-dim);
  display: inline-flex; align-items: center; gap: .4rem; cursor: pointer; user-select: none;
}
.fuel-legend span.is-off { opacity: .38; }
.fuel-chart__canvas { position: relative; height: clamp(180px, 32vw, 260px); }
.fuel-chart__canvas svg { width: 100%; height: 100%; display: block; overflow: visible; }

/* ---------- METODOLOGIA ---------- */
.idx-method {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-raise);
}
.idx-method > summary {
  cursor: pointer; padding: 1rem 1.2rem; font-family: var(--font-display); font-weight: 600;
  color: var(--text); list-style: none; display: flex; align-items: center; gap: .6rem;
}
.idx-method > summary::-webkit-details-marker { display: none; }
.idx-method > summary::before { content: "＋"; color: var(--lime); font-family: var(--font-mono); }
.idx-method[open] > summary::before { content: "－"; }
.idx-method__body { padding: 0 1.2rem 1.2rem; color: var(--text-dim); line-height: 1.6; }
.idx-method__body ol { padding-left: 1.2rem; margin: .8rem 0 0; display: grid; gap: .6rem; }
.idx-method__body strong { color: var(--text); }