:root {
  --bg: #0f1613;
  --panel: #f7f5ef;
  --ink: #16211c;
  --muted: #5b6b62;
  --accent: #1f6f54;
  --accent-ink: #eafaf1;
  --border: #d8d2c2;
  --radius: 10px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.topbar {
  background: var(--ink);
  color: var(--accent-ink);
  padding: 14px 24px;
}
.topbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.brand { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.brand__accent { color: #8fe3b8; }
.badge {
  font-size: 0.72rem;
  color: #b8c9c0;
  border: 1px solid #34433c;
  padding: 4px 10px;
  border-radius: 999px;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 60px;
  display: grid;
  grid-template-columns: minmax(320px, 460px) 1fr;
  gap: 24px;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.form-panel, .preview-panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
}

.form-panel h1 { margin: 0 0 6px; font-size: 1.4rem; }
.lede { color: var(--muted); font-size: 0.9rem; margin: 0 0 20px; line-height: 1.5; }
.lede code { background: #eae6d8; padding: 1px 6px; border-radius: 4px; }

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px 18px;
  margin: 0 0 16px;
}
legend { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); padding: 0 6px; }

label { display: block; font-size: 0.85rem; font-weight: 600; margin: 10px 0 4px; }
label[for="corPrimaria"] { margin-bottom: 4px; }

input, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 0.9rem;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input[type="color"] { padding: 3px; height: 38px; width: 70px; cursor: pointer; }
.hint { font-size: 0.78rem; color: var(--muted); margin: -4px 0 6px; }
.hint--error { color: #a3312a; font-weight: 600; }
.hint--success { color: #1f6f54; font-weight: 600; }
.hint-inline { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 0.75rem; color: var(--muted); }

.input-row { display: flex; gap: 8px; align-items: stretch; }
.input-row input { flex: 1; }

.btn--secondary { background: #2a4d43; color: #fff; white-space: nowrap; }
.btn--small { padding: 6px 12px; font-size: 0.78rem; }

#logo-preview-wrap { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
#logo-preview { max-height: 60px; max-width: 140px; border: 1px solid var(--border); border-radius: 6px; background: #fff; padding: 4px; }

.actions { display: flex; gap: 10px; margin-top: 6px; }
.btn {
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:disabled { background: #9db5ac; cursor: not-allowed; }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--ink); }

.form-error {
  color: #a3312a;
  font-size: 0.85rem;
  min-height: 1.2em;
  margin: 10px 0 0;
}

.preview-panel { display: flex; flex-direction: column; min-height: 640px; }
.preview-panel__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 12px; flex-wrap: wrap; }
.preview-panel__header h2 { margin: 0; font-size: 1rem; color: var(--muted); }
#preview {
  flex: 1;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 40px;
  color: #7c8b83;
  font-size: 0.8rem;
}
.footer a { color: #8fe3b8; }

/* Adições específicas do Projeto 2 */
.result {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.result--success { background: #e4f5ea; border: 1px solid #8fd4ab; }
.result--error { background: #fbe9e7; border: 1px solid #e4a89f; }
.result code {
  display: block;
  background: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 6px;
  word-break: break-all;
  font-size: 0.8rem;
}
.result strong { display: block; margin-bottom: 4px; }