/* TECSA AD — design system (DESIGN-coinbase.md)
   Canvas branco, uma única voltagem de marca (#0052ff), pills, cards 24px,
   heroes escuros #0a0b0d. Fontes: Inter (subst. CoinbaseDisplay/Sans) e
   JetBrains Mono (subst. CoinbaseMono) — carregadas em index.html. */
:root {
  /* colors */
  --primary: #0052ff;
  --primary-active: #003ecc;
  --primary-disabled: #a8b8cc;
  --ink: #0a0b0d;
  --body: #5b616e;
  --muted: #7c828a;
  --muted-soft: #a8acb3;
  --hairline: #dee1e6;
  --hairline-soft: #eef0f3;
  --canvas: #ffffff;
  --surface-soft: #f7f7f7;
  --surface-strong: #eef0f3;
  --surface-dark: #0a0b0d;
  --surface-dark-elevated: #16181c;
  --on-primary: #ffffff;
  --on-dark: #ffffff;
  --on-dark-soft: #a8acb3;
  --semantic-up: #05b169;
  --semantic-down: #cf202f;
  --accent-yellow: #f4b000;

  /* type */
  --font-display: 'Inter', -apple-system, system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-sans: 'Inter', -apple-system, system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* radius */
  --r-xs: 4px; --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px;
  --r-pill: 100px; --r-full: 9999px;

  /* spacing */
  --s-xxs: 4px; --s-xs: 8px; --s-sm: 12px; --s-base: 16px; --s-md: 20px;
  --s-lg: 24px; --s-xl: 32px; --s-xxl: 48px; --s-section: 96px;

  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-size: 16px; line-height: 1.5; font-weight: 400;
  color: var(--body); background: var(--canvas);
}
h1, h2, h3 { color: var(--ink); font-weight: 400; }
.display-xl { font-family: var(--font-display); font-size: 64px; line-height: 1.0; letter-spacing: -1.6px; }
.display-lg { font-family: var(--font-display); font-size: 52px; line-height: 1.0; letter-spacing: -1.3px; }
.display-md { font-family: var(--font-display); font-size: 44px; line-height: 1.09; letter-spacing: -1px; }
.display-sm { font-size: 36px; line-height: 1.11; letter-spacing: -0.5px; }
.title-lg { font-size: 32px; line-height: 1.13; letter-spacing: -0.4px; }
.title-md { font-size: 18px; font-weight: 600; line-height: 1.33; color: var(--ink); }
.title-sm { font-size: 16px; font-weight: 600; line-height: 1.25; color: var(--ink); }
.body-sm { font-size: 14px; }
.caption { font-size: 13px; color: var(--muted); }
.caption-strong { font-size: 12px; font-weight: 600; }
.num { font-family: var(--font-mono); font-weight: 500; }
.up { color: var(--semantic-up); }
.down { color: var(--semantic-down); }

/* nav */
.top-nav {
  height: 64px; display: flex; align-items: center; gap: var(--s-lg);
  padding: 0 var(--s-xl); background: var(--canvas);
  border-bottom: 1px solid var(--hairline-soft);
  position: sticky; top: 0; z-index: 50;
}
.top-nav .brand { font-weight: 700; color: var(--primary); font-size: 18px; letter-spacing: -0.3px; text-decoration: none; }
.top-nav .brand span { color: var(--ink); font-weight: 500; }
.top-nav nav { display: flex; gap: var(--s-md); flex: 1; }
.top-nav nav a { font-size: 14px; font-weight: 500; color: var(--ink); text-decoration: none; padding: 8px 10px; border-radius: var(--r-sm); }
.top-nav nav a:hover { background: var(--surface-soft); }
.top-nav nav a.active { color: var(--primary); }

/* buttons — pill sempre */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 16px/1.15 var(--font-sans); border: 0; cursor: pointer;
  border-radius: var(--r-pill); padding: 12px 20px; height: 44px; text-decoration: none; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:active { background: var(--primary-active); }
.btn-primary:disabled { background: var(--primary-disabled); cursor: not-allowed; }
.btn-secondary { background: var(--surface-strong); color: var(--ink); }
.btn-tertiary { background: transparent; color: var(--primary); padding: 8px 12px; height: auto; }
.btn-lg { height: 56px; padding: 16px 32px; }
.btn-danger-text { background: transparent; color: var(--semantic-down); }

/* hero escuro */
.hero-dark { background: var(--surface-dark); color: var(--on-dark); padding: var(--s-xxl) var(--s-xl); }
.hero-dark h1 { color: var(--on-dark); }
.hero-dark .sub { color: var(--on-dark-soft); }

/* cards */
.card { background: var(--canvas); border: 1px solid var(--hairline); border-radius: var(--r-xl); padding: var(--s-xl); }
.card:hover { box-shadow: var(--shadow-soft); }
.card-dark { background: var(--surface-dark-elevated); color: var(--on-dark); border-radius: var(--r-xl); padding: var(--s-xl); }

/* badges */
.badge { display: inline-block; background: var(--surface-strong); color: var(--ink);
  font: 600 12px/1.5 var(--font-sans); border-radius: var(--r-pill); padding: 4px 12px; text-transform: uppercase; letter-spacing: 0.4px; }
.badge-blue { background: var(--primary); color: var(--on-primary); }
.badge-dark { background: var(--ink); color: #fff; }
.badge-up { background: rgba(5,177,105,.1); color: var(--semantic-up); }
.badge-down { background: rgba(207,32,47,.1); color: var(--semantic-down); }
.badge-warn { background: rgba(244,176,0,.14); color: #8a6400; }

/* forms */
.input, select.input, textarea.input {
  width: 100%; background: var(--canvas); color: var(--ink);
  font: 400 16px/1.5 var(--font-sans);
  border: 1px solid var(--hairline); border-radius: var(--r-md);
  padding: 14px 16px; height: 48px; outline: none;
}
.input:focus { border: 2px solid var(--primary); padding: 13px 15px; }
label.field { display: block; font: 600 14px/1.4 var(--font-sans); color: var(--ink); margin: var(--s-base) 0 6px; }

/* tabelas (asset-row) */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font: 600 12px/1.5 var(--font-sans); color: var(--muted);
  text-transform: uppercase; letter-spacing: .4px; padding: 10px 12px; border-bottom: 1px solid var(--hairline); }
.table td { padding: 14px 12px; border-bottom: 1px solid var(--hairline-soft); font-size: 14px; color: var(--ink); vertical-align: top; }
.table tr:hover td { background: var(--surface-soft); }

/* layout helpers */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--s-xl); }
.section { padding: var(--s-xxl) 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-lg); }
.stack { display: flex; flex-direction: column; gap: var(--s-base); }
.row { display: flex; align-items: center; gap: var(--s-base); }
.spread { display: flex; align-items: center; justify-content: space-between; gap: var(--s-base); }
.hidden { display: none !important; }

/* dropzone permissiva */
.dropzone { border: 2px dashed var(--hairline); border-radius: var(--r-xl); padding: var(--s-xxl);
  text-align: center; color: var(--muted); cursor: pointer; transition: border-color .15s, background .15s; }
.dropzone.drag { border-color: var(--primary); background: rgba(0,82,255,.03); }

/* status de quesito (checklist) */
.st { display: inline-block; font: 600 12px/1.5 var(--font-sans); border-radius: var(--r-pill); padding: 4px 12px; white-space: nowrap; }
.st-nc { background: var(--ink); color: #fff; }              /* NÃO CONFORME — preto (padrão do parecer) */
.st-nd { background: var(--ink); color: #fff; }              /* NÃO DEMONSTRADO */
.st-ok { background: rgba(5,177,105,.1); color: var(--semantic-up); }   /* CONFORME */
.st-ap { background: rgba(0,82,255,.1); color: var(--primary); }        /* APROVADO (**) */
.st-ex { background: rgba(244,176,0,.14); color: #8a6400; }             /* EXIGÊNCIA */

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .display-lg { font-size: 40px; }
  .top-nav nav { display: none; }
}