/* css/pages.css — Page-specific layout and patterns */

/* ── Metric grid ─────────────────────────────────────────── */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.metric {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}

.metric::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--t-base);
}

.metric-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 16px;
}

.metric-label {
  font-size: var(--text-xs);
  color: var(--neutral-600);
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metric-value {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--neutral-900);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.metric-sub {
  font-size: var(--text-xs);
  color: var(--neutral-400);
  margin-top: 2px;
}

/* ── Row item (exams, rubrics, queue items) ──────────────── */
.row-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  transition: background var(--t-fast);
  cursor: default;
}

.row-item:hover { background: var(--neutral-50); }
.row-item + .row-item { border-top: 1px solid var(--neutral-100); }
.row-item[data-nav] { cursor: pointer; }

.row-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.row-icon.blue   { background: var(--info-tint);    color: var(--info); }
.row-icon.green  { background: var(--brand-tint);   color: var(--brand-dark); }
.row-icon.amber  { background: var(--warning-tint); color: var(--warning); }
.row-icon.gray   { background: var(--neutral-100);  color: var(--neutral-600); }

.row-info { flex: 1; min-width: 0; }

.row-name {
  font-size: var(--text-base);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--neutral-900);
}

.row-meta {
  font-size: var(--text-xs);
  color: var(--neutral-400);
  margin-top: 1px;
}

.row-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ── Upload drop zone ────────────────────────────────────── */
.upload-zone {
  border: 1.5px dashed var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-base), background var(--t-base);
  background: var(--neutral-50);
}

.upload-zone:hover,
.upload-zone.drag {
  border-color: var(--brand);
  background: var(--brand-tint);
}

.upload-zone i {
  font-size: 28px;
  color: var(--neutral-400);
  margin-bottom: 10px;
  display: block;
  transition: color var(--t-base);
}

.upload-zone:hover i,
.upload-zone.drag i { color: var(--brand-dark); }

.upload-zone p {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--neutral-900);
  margin-bottom: 2px;
}

.upload-zone small {
  font-size: var(--text-xs);
  color: var(--neutral-400);
}

/* ── Grids ───────────────────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; align-items: start; }

/* Layout split: wider left panel */
.grid-60-40 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; align-items: start; }

/* ── Section heading inside card ─────────────────────────── */
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}

/* ── Inline key-value ────────────────────────────────────── */
.kv-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: var(--text-sm);
}

.kv-row + .kv-row { border-top: 1px solid var(--neutral-100); }
.kv-key   { color: var(--neutral-600); }
.kv-val   { font-weight: 500; color: var(--neutral-900); }

/* ── Step list (upload workflow) ─────────────────────────── */
.step-list { display: flex; flex-direction: column; gap: 12px; }

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--neutral-100);
  border: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--neutral-600);
  flex-shrink: 0;
  margin-top: 1px;
}

.step-title { font-size: var(--text-base); font-weight: 500; }
.step-desc  { font-size: var(--text-xs); color: var(--neutral-400); margin-top: 1px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-60-40 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
}