/* Chamber Cardio brand palette (chambercardio.com), fixed dark theme for demo branding */
:root {
  color-scheme: dark;
  --bg: #193440;       /* blue-1 */
  --card-bg: #0f3f55;  /* chamber-blue */
  --text: #fffcf8;     /* off-white */
  --muted: #c5e0e2;    /* blue-4 */
  --border: rgba(255, 252, 248, 0.16);
  --accent: #ffc56b;   /* gold-1 */
  --accent-text: #0c1316; /* carbon */
  --danger: #cb4e33;   /* chamber-red */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 2rem 1.5rem 1rem;
  max-width: 720px;
  margin: 0 auto;
}

h1 { margin: 0 0 0.25rem; font-size: 1.6rem; }
.subtitle { color: var(--muted); margin: 0; }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

h2 { margin-top: 0; font-size: 1.15rem; }
.hint { color: var(--muted); font-size: 0.85rem; }

.field-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

label { font-size: 0.85rem; font-weight: 600; }

input[type="text"],
input[type="number"],
input[type="file"],
select,
textarea {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

textarea { resize: vertical; }

button {
  font: inherit;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.hidden { display: none !important; }

.demo-btn { align-self: flex-start; font-size: 0.85rem; padding: 0.4rem 0.8rem; }

.view-demo-link {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.actions { flex-direction: row; gap: 0.5rem; }

.criteria-list {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.criteria-list li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.criterion-info strong { display: block; }
.criterion-info .points { color: var(--muted); font-size: 0.85rem; }
.criterion-info .desc { color: var(--muted); font-size: 0.8rem; margin-top: 0.25rem; }

.criterion-buttons { display: flex; gap: 0.35rem; flex-shrink: 0; }
.criterion-buttons button { padding: 0.3rem 0.5rem; font-size: 0.8rem; }
.criterion-buttons .danger { background: var(--danger); color: #fff; }

@media (max-width: 640px) {
  .criteria-list li { flex-wrap: wrap; }
  .criterion-info .desc { display: none; }
  .criterion-buttons { gap: 0.25rem; }
  .criterion-buttons button { padding: 0.3rem 0.4rem; }
}

.import-export { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.file-label { display: inline-flex; align-items: center; cursor: pointer; }

.status {
  margin-top: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
}
.status.info { background: rgba(255, 197, 107, 0.14); }
.status.error { background: rgba(203, 78, 51, 0.18); color: #ffb199; }

.result-panel { margin-top: 1.25rem; }
.result-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}
.result-title { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; min-width: 0; }
.result-title h3 { margin: 0; overflow-wrap: anywhere; }
.view-resume-btn { font-size: 0.8rem; padding: 0.3rem 0.7rem; }
.grade-badge { display: flex; align-items: baseline; gap: 0.5rem; }
.grade-badge .letter { font-size: 1.8rem; font-weight: 700; color: var(--accent); }
.grade-badge .score { color: var(--muted); }

.results-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.results-table th, .results-table td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.history-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.history-list li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.history-list li:hover { background: var(--bg); }
.history-empty { color: var(--muted); font-size: 0.85rem; }

dialog#criterion-dialog {
  border: none;
  border-radius: 12px;
  padding: 1.5rem;
  background: var(--card-bg);
  color: var(--text);
  width: 90%;
  max-width: 480px;
}
dialog#criterion-dialog h3 { margin: 0 0 1rem; font-size: 1.1rem; }
dialog#criterion-dialog::backdrop {
  background: rgba(12, 19, 22, 0.65);
  backdrop-filter: blur(2px);
}