/* =====================================================================
   TransCore — design system
   Identidade: som virando texto. Acento "ametista", waveform como assinatura.
   Tipografia: Space Grotesk (display) + Inter (texto).
   ===================================================================== */

:root {
  --violet: #6c5ce7;
  --violet-700: #5848c2;
  --teal: #18c5b3;

  /* tema claro (padrão) */
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f2f8;
  --border: #e4e6ef;
  --text: #1a1d27;
  --text-dim: #5b616e;
  --shadow: 0 10px 30px rgba(26, 29, 39, 0.08);
  --accent: var(--violet);
  --accent-contrast: #ffffff;
  --ok: #1f9d57;
  --warn: #c77700;
  --err: #d23b3b;
}

[data-theme="dark"] {
  --bg: #0e0f15;
  --bg-soft: #14161f;
  --surface: #171924;
  --surface-2: #1d2030;
  --border: #2a2d3c;
  --text: #e8eaf2;
  --text-dim: #98a0b3;
  --shadow: 0 14px 44px rgba(0, 0, 0, 0.5);
  --accent: #8b7bff;
  --accent-contrast: #0e0f15;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}
h1, h2, h3, .display { font-family: "Space Grotesk", "Inter", sans-serif; letter-spacing: -0.01em; }
a { color: var(--accent); }

/* ---------- Layout ---------- */
.wrap { width: min(960px, 92vw); margin: 0 auto; }

header.topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }

/* Espaço reservado para a futura LOGO */
.logo-slot { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--violet), var(--teal));
  color: #fff;
}
.logo-mark svg { width: 22px; height: 22px; }
.logo-text { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 19px; }
.logo-text span { color: var(--accent); }

.spacer { flex: 1; }
.nav-actions { display: flex; align-items: center; gap: 8px; }

/* ---------- Botões ---------- */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 10px; padding: 10px 16px; border: 1px solid transparent;
  background: var(--surface-2); color: var(--text);
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 10px; border: 1px solid var(--border); background: transparent;
  color: var(--text); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 26px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.05; margin: 0 0 14px; }
.hero p { color: var(--text-dim); max-width: 560px; margin: 0 auto; font-size: 17px; }

/* ---------- Waveform (assinatura) ---------- */
.wave { display: flex; align-items: center; justify-content: center; gap: 4px; height: 46px; margin: 26px 0 8px; }
.wave i {
  width: 4px; border-radius: 4px; background: linear-gradient(var(--violet), var(--teal));
  animation: wv 1.1s ease-in-out infinite; opacity: .85;
}
@keyframes wv { 0%,100% { height: 10px; } 50% { height: 40px; } }
@media (prefers-reduced-motion: reduce) { .wave i { animation: none; height: 22px; } }

/* ---------- Card de upload ---------- */
.uploader {
  margin: 18px 0 10px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow); padding: 26px;
}
.dropzone {
  border: 2px dashed var(--border); border-radius: 14px; padding: 38px 20px;
  text-align: center; cursor: pointer; transition: border-color .2s, background .2s;
}
.dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.dropzone h3 { margin: 8px 0 4px; }
.dropzone p { color: var(--text-dim); margin: 0; font-size: 14px; }
.dropzone .cloud { color: var(--accent); }

.file-row {
  display: flex; align-items: center; gap: 12px; margin-top: 16px;
  background: var(--surface-2); border-radius: 10px; padding: 12px 14px;
}
.file-row .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .meta { color: var(--text-dim); font-size: 13px; margin-left: auto; }

.actions-row { display: flex; gap: 10px; margin-top: 16px; align-items: center; flex-wrap: wrap; }
.quota-pill {
  margin-left: auto; font-size: 13px; color: var(--text-dim);
  background: var(--surface-2); padding: 7px 12px; border-radius: 999px;
}

/* ---------- Resultado ---------- */
.result { margin-top: 20px; }
.result .panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow); overflow: hidden;
}
.result .head {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.result .head .meta { color: var(--text-dim); font-size: 13px; margin-left: auto; }
.tabs { display: flex; gap: 4px; padding: 10px 18px 0; }
.tab { background: transparent; border: 0; color: var(--text-dim); cursor: pointer; padding: 8px 12px; border-radius: 8px 8px 0 0; font: inherit; font-weight: 600; }
.tab.active { color: var(--text); background: var(--surface-2); }
.tab-body { padding: 18px; }
.transcript-text { white-space: pre-wrap; line-height: 1.7; }
.segments .seg { display: flex; gap: 14px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.segments .seg time { color: var(--accent); font-variant-numeric: tabular-nums; font-size: 13px; min-width: 64px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10,12,18,.55);
  display: none; place-items: center; z-index: 50; padding: 16px;
}
.modal-backdrop.show { display: grid; }
.modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  width: min(440px, 96vw); box-shadow: var(--shadow); padding: 24px;
  max-height: 92vh; overflow: auto;
}
.modal h2 { margin: 0 0 4px; font-size: 20px; }
.modal .sub { color: var(--text-dim); font-size: 14px; margin: 0 0 18px; }
.modal .close { float: right; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; margin-bottom: 5px; color: var(--text-dim); }
.field input {
  width: 100%; padding: 11px 12px; border-radius: 10px; font: inherit;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
}
.field input:focus { outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent); border-color: var(--accent); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-err { color: var(--err); font-size: 13px; min-height: 18px; margin: 4px 0 10px; }
.switch-line { text-align: center; font-size: 14px; color: var(--text-dim); margin-top: 14px; }
.switch-line button { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; font-weight: 600; }

/* ---------- Toast / loading ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: 10px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: all .25s ease; z-index: 80;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.spin { width: 18px; height: 18px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: sp .7s linear infinite; display: inline-block; vertical-align: -3px; }
@keyframes sp { to { transform: rotate(360deg); } }

/* ---------- Roadmap / extensão (espaço reservado p/ o futuro) ---------- */
.future {
  margin: 30px 0; padding: 20px; border: 1px dashed var(--border);
  border-radius: 14px; background: var(--bg-soft); display: flex; gap: 14px; align-items: center;
}
.future .badge { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--teal); background: color-mix(in srgb, var(--teal) 14%, transparent); padding: 5px 10px; border-radius: 999px; }
.future p { margin: 0; color: var(--text-dim); font-size: 14px; }

footer { padding: 30px 0 40px; color: var(--text-dim); font-size: 13px; text-align: center; }

.hidden { display: none !important; }

@media (max-width: 560px) {
  .grid-2 { grid-template-columns: 1fr; }
  .topbar .wrap { gap: 8px; }
}

/* ---------- Supervisor de IA ---------- */
.auto-review {
  display: flex; align-items: center; gap: 9px; margin-top: 14px;
  font-size: 13px; color: var(--text-dim); cursor: pointer; user-select: none;
}
.auto-review input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.review {
  margin-top: 18px; padding: 18px; border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}
.review-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.review-quality { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--text-dim); }
.review-quality.good { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.review-quality.mid  { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.review-quality.low  { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }
.review-summary { margin: 10px 0 14px; color: var(--text-dim); font-size: 14px; line-height: 1.6; }

.review-suggestions { display: flex; flex-direction: column; gap: 10px; }
.suggestion {
  display: flex; gap: 12px; padding: 12px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
}
.sug-type {
  flex-shrink: 0; align-self: flex-start; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; padding: 3px 8px; border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent);
}
.sug-body { flex: 1; min-width: 0; }
.sug-diff { font-size: 14px; line-height: 1.6; }
.sug-diff del { color: var(--err); text-decoration: line-through; }
.sug-diff ins { color: var(--ok); text-decoration: none; }
.sug-diff ins::before { content: "→ "; opacity: .6; }
.sug-body small { display: block; margin-top: 4px; color: var(--text-dim); font-size: 12.5px; }
.review-empty { padding: 6px 2px; color: var(--text-dim); font-size: 14px; }