/* Tema escuro por padrão — uso em central multimídia, à noite, com solavanco. */
:root {
  --bg: #0f1115;
  --card: #1a1e26;
  --card2: #232936;
  --text: #e8eaf0;
  --muted: #8b93a7;
  --accent: #4da3ff;
  --gasolina: #ff8c42;
  --etanol: #3ddc84;
  --danger: #ff5c5c;
  /* Séries dos gráficos: tons mais escuros dos matizes de marca — validados
     (banda de luminosidade, croma, CVD, contraste) contra a superfície do card. */
  --chart-gasolina: #e06a12;
  --chart-etanol: #20b062;
  --chart-eco-pos: #20b062;
  --chart-eco-neg: #e04f4f;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 18px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: 1rem;
}

/* Chrome 79 não suporta `gap` em flexbox (Chrome 84+) — espaçamento por margem */
main { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; }
main > * + * { margin-top: 1rem; }

h1 { font-size: 1.4rem; text-align: center; padding: .3rem 0 .5rem; }
h2 { font-size: 1.05rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .8rem; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem;
}

/* ---- Formulário ---- */
.fuel-toggle { display: flex; margin-bottom: 1rem; }
.fuel-toggle > * + * { margin-left: .8rem; }

.fuel-btn {
  flex: 1;
  padding: 1.1rem 0;
  font-size: 1.15rem;
  font-weight: 700;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card2);
  color: var(--muted);
  cursor: pointer;
}
.fuel-btn[data-fuel="gasolina"].selected { border-color: var(--gasolina); color: var(--gasolina); background: rgba(255,140,66,.12); }
.fuel-btn[data-fuel="etanol"].selected   { border-color: var(--etanol);   color: var(--etanol);   background: rgba(61,220,132,.12); }

.field.ditado { margin-bottom: 1.1rem; }
.field.ditado input { border-color: rgba(77,163,255,.4); }
.ditado-linha { display: flex; align-items: stretch; }
.ditado-linha input { flex: 1; min-width: 0; }
.mic-btn {
  margin-left: .6rem;
  min-width: 3.6rem;
  font-size: 1.6rem;
  border: 2px solid rgba(77,163,255,.4);
  border-radius: var(--radius);
  background: var(--card2);
  cursor: pointer;
}
.mic-btn:active { transform: scale(.95); border-color: var(--accent); }
.ditado-feedback { color: var(--etanol); font-size: .9rem; margin-top: .45rem; min-height: 1.2em; }

.field { margin-bottom: .9rem; }
.field label { display: block; font-size: .95rem; color: var(--muted); margin-bottom: .35rem; }
.field .opt { font-size: .8rem; opacity: .7; }

.field input, .ajuste-data input {
  width: 100%;
  padding: 1rem;
  font-size: 1.3rem;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card2);
  color: var(--text);
}
.field input:focus, .ajuste-data input:focus { outline: none; border-color: var(--accent); }

.ajuste-data { margin-bottom: 1rem; }
.ajuste-data summary { color: var(--muted); font-size: .9rem; cursor: pointer; padding: .3rem 0; }
.ajuste-data input { margin-top: .5rem; font-size: 1.05rem; }

.save-btn {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: .06em;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: #08111f;
  cursor: pointer;
}
.save-btn:active { transform: scale(.98); }

.hint { color: var(--muted); font-size: .9rem; margin-top: .8rem; line-height: 1.4; }

/* ---- Painel ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .8rem;
  margin-bottom: .9rem;
}
.stat {
  background: var(--card2);
  border-radius: var(--radius);
  padding: .8rem;
  text-align: center;
}
.stat .label { font-size: .8rem; color: var(--muted); margin-bottom: .3rem; }
.stat .value { font-size: 1.5rem; font-weight: 800; }
.stat .value small { font-size: .85rem; font-weight: 400; color: var(--muted); }
.stat.gasolina .value { color: var(--gasolina); }
.stat.etanol .value { color: var(--etanol); }
.stat.eco-pos .value { color: var(--etanol); }
.stat.eco-neg .value { color: var(--danger); }
td .eco-pos { color: var(--etanol); font-weight: 600; }
td .eco-neg { color: var(--danger); font-weight: 600; }

.veredito {
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.5;
  background: var(--card2);
}
.veredito.etanol   { background: rgba(61,220,132,.14); }
.veredito.gasolina { background: rgba(255,140,66,.14); }
.veredito strong { font-size: 1.3rem; display: block; }
.veredito .sub { font-size: .9rem; color: var(--muted); display: block; margin-top: .3rem; }

/* ---- Histórico ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th { text-align: left; color: var(--muted); font-size: .8rem; padding: .4rem .5rem; }
td { padding: .55rem .5rem; border-top: 1px solid var(--card2); white-space: nowrap; }
td.comb-gasolina { color: var(--gasolina); font-weight: 600; }
td.comb-etanol { color: var(--etanol); font-weight: 600; }
td .marco { font-size: .75rem; color: var(--muted); }

.del-btn {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 1.1rem;
  cursor: pointer;
  padding: .3rem .5rem;
}

/* ---- Gráficos históricos ---- */
.graf-btn {
  width: 100%;
  margin-top: .9rem;
  padding: 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card2);
  color: var(--accent);
  cursor: pointer;
}
.graf-btn:active { transform: scale(.98); }

.painel-graficos {
  position: fixed;
  /* Chrome 79 não entende `inset` (Chrome 87+) */
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 52;
  background: var(--bg);
  overflow-y: auto;
  padding: 1rem;
}
.painel-graficos[hidden] { display: none; }

.graficos-inner { max-width: 640px; margin: 0 auto; }
.graficos-inner > * + * { margin-top: 1rem; }

.graf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 3.6rem; /* espaço para o botão ⚙️ fixo */
  min-height: 3.4rem;
}
.graf-header h2 { margin-bottom: 0; }

.graf-fechar {
  padding: .85rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  border: 2px solid var(--card2);
  border-radius: 999px;
  background: var(--card);
  color: var(--accent);
  cursor: pointer;
}
.graf-fechar:active { transform: scale(.97); }

.graf-card h3 { font-size: .95rem; color: var(--muted); font-weight: 600; text-transform: none; letter-spacing: 0; margin-bottom: .6rem; }

.graf-legenda { display: flex; flex-wrap: wrap; margin-bottom: .5rem; font-size: .85rem; color: var(--muted); }
.graf-legenda span { display: flex; align-items: center; margin-right: 1.1rem; }
.graf-legenda .sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .4rem; }
.sw-gas { background: var(--chart-gasolina); }
.sw-eta { background: var(--chart-etanol); }

.graf-svg { width: 100%; height: auto; display: block; }
.graf-svg text { font-family: inherit; }
.graf-eixo { fill: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.graf-rotulo { fill: var(--text); font-size: 13px; font-weight: 700; }
.graf-grid { stroke: var(--card2); stroke-width: 1; }
.graf-zero { stroke: var(--muted); stroke-width: 1; }
.graf-sep { stroke: var(--card); stroke-width: 2; }
.fg-gas { fill: var(--chart-gasolina); }
.fg-eta { fill: var(--chart-etanol); }
.fg-pos { fill: var(--chart-eco-pos); }
.fg-neg { fill: var(--chart-eco-neg); }
/* Gráficos de linha por abastecimento (svgLinhas): linha sem preenchimento + pontos cheios. */
.ln-gas { fill: none; stroke: var(--chart-gasolina); stroke-width: 2; }
.ln-eta { fill: none; stroke: var(--chart-etanol); stroke-width: 2; }
.ln-econ { fill: none; stroke: var(--muted); stroke-width: 2; }
.pt-gas { fill: var(--chart-gasolina); }
.pt-eta { fill: var(--chart-etanol); }
.pt-pos { fill: var(--chart-eco-pos); }
.pt-neg { fill: var(--chart-eco-neg); }
.graf-hit { fill: transparent; pointer-events: all; cursor: pointer; }
.graf-hit.ativo { fill: rgba(255, 255, 255, .06); }

.graf-tooltip {
  position: fixed;
  z-index: 53;
  background: var(--card2);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 10px;
  padding: .6rem .8rem;
  font-size: .9rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .5);
  pointer-events: none;
  max-width: 280px;
  white-space: nowrap;
}
.graf-tooltip[hidden] { display: none; }
.graf-tooltip .tt-titulo { color: var(--muted); font-size: .8rem; margin-bottom: .35rem; }
.graf-tooltip .tt-linha { display: flex; align-items: center; margin-top: .15rem; }
.graf-tooltip .tt-chave { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: .45rem; }
.graf-tooltip .tt-valor { font-weight: 700; margin-right: .35rem; font-variant-numeric: tabular-nums; }
.graf-tooltip .tt-nome { color: var(--muted); }
.graf-tooltip .tt-pos { color: var(--etanol); }
.graf-tooltip .tt-neg { color: var(--danger); }

/* ---- Velocímetro (GPS) ---- */
.vel-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--accent);
  cursor: pointer;
}
.vel-btn:active { transform: scale(.98); }

.painel-vel {
  position: fixed;
  /* Chrome 79 não entende `inset` (Chrome 87+) */
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.painel-vel[hidden] { display: none; }

.vel-valor {
  font-size: clamp(7rem, 30vw, 17rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.vel-valor.aguardando { opacity: .22; }
.vel-unidade { font-size: 1.6rem; color: var(--muted); margin-top: .5rem; }
.vel-status {
  position: absolute;
  bottom: 1.5rem;
  color: var(--muted);
  font-size: .95rem;
  text-align: center;
  padding: 0 1rem;
}

.ir-abastecer {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 1rem 1.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  border: 2px solid var(--card2);
  border-radius: 999px;
  background: var(--card);
  color: var(--accent);
  cursor: pointer;
}
.ir-abastecer:active { transform: scale(.97); }

/* ---- Decorações laterais (arco-íris e unicórnio) ---- */
.deco {
  display: none;
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 60; /* acima do modo velocímetro — a copiloto viaja junto */
}
.deco.esq { left: calc(50% - 490px); }
.deco.dir { right: calc(50% - 480px); }

@media (min-width: 1000px) {
  body[data-mascote="unicornio"] .deco.m-unicornio,
  body[data-mascote="avioes"] .deco.m-avioes,
  body[data-mascote="passarinho"] .deco.m-passarinho,
  body[data-mascote="dragao"] .deco.m-dragao { display: block; }
  .deco svg { animation: flutuar 5s ease-in-out infinite alternate; }
  .deco.dir svg { animation-delay: 2.5s; }
}

@keyframes flutuar {
  from { transform: translateY(-6px); }
  to   { transform: translateY(6px); }
}

@media (prefers-reduced-motion: reduce) {
  .deco svg { animation: none; }
}

/* ---- Configurações ---- */
.config-btn {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 55;
  width: 3.4rem;
  height: 3.4rem;
  font-size: 1.4rem;
  border: 2px solid var(--card2);
  border-radius: 50%;
  background: var(--card);
  cursor: pointer;
}
.config-btn:active { transform: scale(.95); }

.painel-config {
  position: fixed;
  /* Chrome 79 não entende `inset` (Chrome 87+) */
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 70;
  background: rgba(8, 10, 14, .74);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.painel-config[hidden] { display: none; }

.config-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.3rem;
  width: min(560px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.config-card > * + * { margin-top: 1.1rem; }

.config-label { display: block; color: var(--muted); font-size: .9rem; margin-bottom: .5rem; }

.seg { display: flex; flex-wrap: wrap; margin: -.3rem; }
.seg > * { margin: .3rem; }
.seg button {
  flex: 1 1 auto;
  padding: .95rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card2);
  color: var(--muted);
  cursor: pointer;
}
.seg button.selected { border-color: var(--accent); color: var(--accent); background: rgba(77,163,255,.12); }

.config-grupo input {
  width: 100%;
  padding: .95rem;
  font-size: 1.2rem;
  border: 2px solid var(--card2);
  border-radius: var(--radius);
  background: var(--card2);
  color: var(--text);
}
.config-grupo input:focus { outline: none; border-color: var(--accent); }

/* ---- Toast ---- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  background: var(--etanol);
  color: #06331b;
  font-size: 1.3rem;
  font-weight: 800;
  padding: 1rem 2.2rem;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(0,0,0,.5);
}