/* ── Inventory page styles ─────────────────────────── */
.inventory-page { padding: 3rem 2rem 6rem; }
.inventory-inner { max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: 3rem; }

/* ── Summary stats ──────────────────────────────────── */
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.stat-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text); line-height: 1; }
.stat-value.positive { color: var(--teal); }
.stat-value.negative { color: #e05c5c; }

/* ── Section title ───────────────────────────────────── */
.section-title { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-bottom: 1.5rem; }

/* ── Form ───────────────────────────────────────────── */
.card-form { display: flex; flex-direction: column; gap: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; }
.form-group input, .form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--gold); }
.form-group input::placeholder { color: var(--text-dim); }
.btn-primary {
  margin-top: 0.5rem;
  padding: 0.8rem 2rem;
  background: var(--gold);
  color: #0b0b0d;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  align-self: flex-start;
  letter-spacing: 0.02em;
  transition: background 0.2s;
}
.btn-primary:hover { background: #d4b45a; }
.form-error { font-size: 0.85rem; color: #e05c5c; margin-top: 0.5rem; min-height: 1.2em; }

/* ── Cards table ─────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
.cards-table { width: 100%; border-collapse: collapse; }
.cards-table th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}
.cards-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: var(--text);
}
.cards-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.card-name-cell { font-weight: 600; }
.grade-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  color: var(--gold);
}
.positive { color: var(--teal); }
.negative { color: #e05c5c; }
.btn-delete {
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-delete:hover { border-color: #e05c5c; color: #e05c5c; }

/* ── Empty state ────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); font-size: 0.95rem; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 700px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}