:root {
  --eduma-red: #c0392b;
  --eduma-blue: #2563eb;
  --eduma-teal: #0f766e;
  --eduma-gold: #b7791f;
  --eduma-purple: #7c3aed;
  --eduma-ink: #101828;
  --eduma-muted: #667085;
  --eduma-bg: #f7f8fb;
  --eduma-card: #ffffff;
  --eduma-line: #d0d5dd;
  --eduma-ok: #16a34a;
  --eduma-warn: #f59e0b;
  --eduma-bad: #dc2626;
}

[data-theme="dark"] {
  --eduma-bg: #0f1117;
  --eduma-card: #171b24;
  --eduma-ink: #f3f4f6;
  --eduma-muted: #aab2c0;
  --eduma-line: rgba(255,255,255,.12);
}

.eduma-app {
  min-height: 100vh;
  background: var(--eduma-bg);
  color: var(--eduma-ink);
  padding: 92px clamp(16px, 4vw, 52px) 56px;
}

.eduma-shell {
  max-width: 1180px;
  margin: 0 auto;
}

.eduma-topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.eduma-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--eduma-line);
  border-radius: 999px;
  color: var(--eduma-red);
  background: rgba(192,57,43,.08);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
/* --eduma-red #c0392b hanya 3,31:1 di atas latar gelap #1D1419. */
[data-theme="dark"] .eduma-kicker { color: #E8796B; }

.eduma-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.08;
  margin: 16px 0 12px;
  max-width: 880px;
}

.eduma-lead {
  max-width: 760px;
  color: var(--eduma-muted);
  font-size: 17px;
  line-height: 1.8;
}

.eduma-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.eduma-btn {
  border: 1px solid var(--eduma-line);
  background: var(--eduma-card);
  color: var(--eduma-ink);
  border-radius: 14px;
  padding: 11px 16px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.eduma-btn.primary {
  background: var(--eduma-red);
  border-color: var(--eduma-red);
  color: #fff;
}

.eduma-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.eduma-card {
  background: var(--eduma-card);
  border: 1px solid var(--eduma-line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 16px 40px rgba(16,24,40,.06);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.metric {
  display: grid;
  gap: 6px;
}

.metric strong {
  font-size: 34px;
  letter-spacing: -.03em;
}

.metric span,
.muted {
  color: var(--eduma-muted);
}

.progress {
  height: 10px;
  border-radius: 999px;
  background: rgba(102,112,133,.16);
  overflow: hidden;
}

.progress > i {
  display: block;
  height: 100%;
  width: var(--value, 50%);
  background: linear-gradient(90deg, var(--eduma-red), var(--eduma-gold));
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  border: 1px solid var(--eduma-line);
  border-radius: 999px;
  padding: 7px 10px;
  background: var(--eduma-card);
  font-size: 12px;
  font-weight: 800;
}

.mode-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.mode-tabs button {
  border: 1px solid var(--eduma-line);
  border-radius: 999px;
  padding: 9px 13px;
  background: var(--eduma-card);
  color: var(--eduma-ink);
  font-weight: 800;
  cursor: pointer;
}

.mode-tabs button.active {
  background: var(--eduma-ink);
  color: var(--eduma-card);
}

.chat-box {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble {
  max-width: 78%;
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(37,99,235,.1);
  line-height: 1.55;
}

.bubble.user {
  align-self: flex-end;
  background: rgba(192,57,43,.12);
}

.form-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.form-row input,
.form-row textarea,
.form-row select,
.eduma-input {
  width: 100%;
  border: 1px solid var(--eduma-line);
  background: var(--eduma-card);
  color: var(--eduma-ink);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
}

.table-wrap {
  overflow-x: auto;
}

.eduma-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.eduma-table th,
.eduma-table td {
  border-bottom: 1px solid var(--eduma-line);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.eduma-table th {
  color: var(--eduma-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.cbt-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 16px;
}

.answer-option {
  display: block;
  width: 100%;
  text-align: left;
  margin: 10px 0;
  padding: 14px;
  border: 1px solid var(--eduma-line);
  border-radius: 14px;
  background: var(--eduma-card);
  color: var(--eduma-ink);
  cursor: pointer;
}

.answer-option.selected {
  border-color: var(--eduma-blue);
  background: rgba(37,99,235,.1);
}

.canvas-board {
  width: 100%;
  min-height: 280px;
  border: 1px dashed var(--eduma-line);
  border-radius: 18px;
  background: var(--eduma-card);
  touch-action: none;
}

.badge {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(183,121,31,.14);
  color: var(--eduma-gold);
  font-weight: 900;
}

.pricing-card.featured {
  border-color: var(--eduma-red);
  box-shadow: 0 20px 70px rgba(192,57,43,.18);
}

.empty-state,
.error-state,
.loading-state {
  border: 1px dashed var(--eduma-line);
  border-radius: 18px;
  padding: 28px;
  text-align: center;
  color: var(--eduma-muted);
}

@media (max-width: 900px) {
  .eduma-topbar,
  .cbt-layout,
  .form-row { flex-direction: column; display: flex; }
  .eduma-grid { grid-template-columns: 1fr; }
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12 { grid-column: 1; }
  .eduma-card { padding: 16px; }
  .bubble { max-width: 100%; }
}