/* ---------- Categorical / sequential palette (validated, see dataviz skill) ---------- */
:root {
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #4a3aa7; --series-8: #e34948;
  --seq-1: #dce9f8; --seq-2: #a9c9ee; --seq-3: #74a7e2; --seq-4: #4488d9; --seq-5: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
    --seq-1: #223349; --seq-2: #2c4d75; --seq-3: #336aa3; --seq-4: #3a7dc4; --seq-5: #3987e5;
  }
}
:root[data-theme="dark"] {
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
  --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
  --seq-1: #223349; --seq-2: #2c4d75; --seq-3: #336aa3; --seq-4: #3a7dc4; --seq-5: #3987e5;
}
:root { --chart-accent: #d98a3d; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --chart-accent: #e2a35f; }
}
:root[data-theme="dark"] { --chart-accent: #e2a35f; }

.stats-wrap { padding-block: 32px 64px; display: flex; flex-direction: column; gap: 28px; }

.user-email { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- State cards (login / forbidden / loading) ---------- */
.state-card {
  max-width: 560px;
  margin: 40px auto;
  text-align: center;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
}
.state-card h1 { font-size: 1.6rem; margin-top: 6px; margin-bottom: 14px; }
.state-lead { color: var(--ink-soft); margin-bottom: 24px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; color: var(--epm-green-dark); font-weight: 700; }

.login-actions { display: flex; flex-direction: column; gap: 12px; }
.btn-provider {
  background: var(--paper-raised);
  color: var(--ink);
  border: 1.5px solid var(--line);
  justify-content: flex-start;
  padding-inline: 18px;
}
.btn-provider:hover { border-color: var(--navy); transform: translateY(-1px); }

.stats-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- KPI row ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.kpi-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-soft);
}
.kpi-card .kpi-label { font-size: 0.78rem; color: var(--ink-soft); font-weight: 600; }
.kpi-card .kpi-value { font-family: "Fraunces", serif; font-size: 1.9rem; margin-top: 4px; }
.kpi-card .kpi-sub { font-size: 0.78rem; color: var(--ink-soft); margin-top: 2px; }

/* ---------- Charts grid ---------- */
.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.viz-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-soft);
}
.viz-card h3 { font-size: 1rem; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; margin-bottom: 2px; }
.viz-card .viz-sub { font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 14px; }
.viz-card--wide { grid-column: span 2; }
@media (max-width: 700px) { .viz-card--wide { grid-column: span 1; } }

.chart-wrap { position: relative; height: 260px; }
.chart-wrap--pie { height: 220px; }

/* ---------- Admin panel ---------- */
.admin-panel {
  background: var(--amber-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}
.admin-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.admin-panel h2 { font-size: 1.1rem; margin-bottom: 4px; }
.admin-hint { font-size: 0.82rem; color: var(--ink-soft); margin: 0; }
#admin-content { margin-top: 16px; }
.admin-add-form { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.admin-add-form input {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  font: inherit;
}
.admin-error { color: #b3261e; font-size: 0.82rem; margin-bottom: 10px; }
.admin-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.admin-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.86rem;
}
.admin-list .admin-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--epm-green-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.admin-list button {
  background: transparent;
  border: none;
  color: #b3261e;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
}
.admin-list button:disabled { color: var(--ink-soft); cursor: not-allowed; }