/* Cofre one-time — identidade visual ACG.
   Paleta do acgsa.com.br: #4c3b5f (ameixa, primária), #a86a74 (rosé, acento),
   #3e3d3f (texto), #7b2f5c (ameixa profunda), branco.
   Fonte: Frutiger é proprietária do site; usamos fallback humanista local
   (nada externo é carregado — requisito do CSP estrito). */

:root {
  --acg-plum: #4c3b5f;
  --acg-plum-deep: #7b2f5c;
  --acg-rose: #a86a74;
  --acg-ink: #3e3d3f;
  --bg: #f6f4f8;
  --card: #ffffff;
  --fg: var(--acg-ink);
  --muted: #6b6570;
  --border: #e4e0e9;
  --code-bg: #f4f1f7;
  --ok: #1a7f37;
  --warn-bg: #fdf6ee;
  --warn-br: #c9924a;
  --err: #b3253a;
  --shadow: rgba(76, 59, 95, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191320;
    --card: #221a2b;
    --fg: #ece8f0;
    --muted: #a79fb0;
    --border: #392e46;
    --code-bg: #1b1522;
    --warn-bg: #2b2113;
    --warn-br: #c9924a;
    --err: #ff7b8c;
    --shadow: rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 Frutiger, "Frutiger Linotype", "Segoe UI", Avenir,
        "Helvetica Neue", Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 580px;
  width: 100%;
  box-shadow: 0 6px 28px var(--shadow);
  overflow: hidden;
}

/* Faixa de marca ACG */
.brand {
  background: linear-gradient(135deg, var(--acg-plum) 0%, var(--acg-plum-deep) 100%);
  padding: 18px 28px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand .mark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #fff;
}
.brand .sub {
  font-size: 12px;
  color: #e9dfee;
  letter-spacing: .04em;
}

.body { padding: 26px 28px 28px; }

h1 { font-size: 17px; margin: 0 0 4px; color: var(--fg); font-weight: 600; }
.sub-title { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 11px;
  color: var(--acg-rose);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 600;
}
.row { display: flex; gap: 8px; align-items: stretch; }
.val {
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  word-break: break-all;
  user-select: all;
}

button {
  border: 1px solid var(--acg-plum);
  background: var(--acg-plum);
  color: #fff;
  border-radius: 8px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}
button:hover { background: var(--acg-plum-deep); border-color: var(--acg-plum-deep); }
button.copied { background: var(--ok); border-color: var(--ok); }

.banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  border: 1px solid var(--warn-br);
  background: var(--warn-bg);
}
.banner.err { border-color: var(--err); background: transparent; color: var(--err); }

.state { text-align: center; color: var(--muted); padding: 26px 0; }
.state .big { font-size: 15px; color: var(--fg); margin-bottom: 6px; font-weight: 600; }

.foot {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}

.spinner {
  width: 22px; height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--acg-plum);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 480px) {
  .row { flex-direction: column; }
  button { padding: 10px 16px; }
}