:root {
  --mka-dark: #16032b;
  --mka-purple: #4a2e83;
  --mka-gold: #c9a34a;
  --mka-gold-soft: #f8f2de;
  --mka-purple-soft: #f3f0fa;
  --text: #1f1f1f;
  --muted: #666666;
  --line: #ded8ea;
  --surface: #ffffff;
  --page: #fbfafc;
  --danger: #8a1f1f;
  color-scheme: light;
  font-family: "Aptos", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: min(100%, 720px);
  min-height: 100vh;
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));
}

.brand-header {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 0 16px;
  border-bottom: 2px solid var(--mka-gold);
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-header h1 {
  margin: 0;
  color: var(--mka-dark);
  font-size: 19px;
  font-weight: 750;
  line-height: 1.15;
}

.brand-header p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 16px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.mode-tab {
  min-height: 42px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--mka-dark);
  font-size: 14px;
  font-weight: 650;
}

.mode-tab:last-child {
  border-right: 0;
}

.mode-tab.is-active {
  background: var(--mka-dark);
  color: #ffffff;
}

.panel,
.answer-panel {
  margin: 0 0 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.panel h2,
.answer-panel h2 {
  margin: 0 0 12px;
  color: var(--mka-dark);
  font-size: 17px;
  line-height: 1.25;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.urgency-field legend {
  color: var(--mka-dark);
  font-size: 13px;
  font-weight: 700;
}

textarea,
select,
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  outline: none;
}

textarea {
  min-height: 152px;
  padding: 12px;
  resize: vertical;
}

select,
input[type="text"] {
  min-height: 42px;
  padding: 0 11px;
}

textarea:focus,
select:focus,
input[type="text"]:focus {
  border-color: var(--mka-purple);
  box-shadow: 0 0 0 2px rgba(74, 46, 131, 0.14);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}

.urgency-field {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.urgency-field legend {
  grid-column: 1 / -1;
}

.urgency-field label,
.consent-row,
.product-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

input[type="radio"],
input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--mka-purple);
}

.primary-action,
.secondary-action {
  width: 100%;
  min-height: 46px;
  margin-top: 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 750;
}

.primary-action {
  background: var(--mka-dark);
  color: #ffffff;
}

.secondary-action {
  background: var(--mka-gold-soft);
  border-color: rgba(201, 163, 74, 0.55);
  color: var(--mka-dark);
}

.primary-action:disabled,
.secondary-action:disabled {
  opacity: 0.58;
}

.answer-panel {
  background: var(--mka-purple-soft);
}

.answer-panel p {
  margin: 0 0 12px;
}

.answer-panel h3 {
  margin: 0 0 6px;
  color: var(--mka-dark);
  font-size: 13px;
}

.answer-panel ul {
  margin: 0;
  padding-left: 18px;
}

.answer-panel li {
  margin: 0 0 5px;
}

.answer-columns {
  display: grid;
  gap: 12px;
}

.source-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.disclaimer {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.consent-row {
  margin-top: 12px;
}

.section-note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.status-line {
  min-height: 24px;
  color: var(--mka-dark);
  font-size: 13px;
}

.status-line.is-error {
  color: var(--danger);
}

.is-hidden {
  display: none !important;
}

@media (min-width: 640px) {
  .app-shell {
    padding-right: 24px;
    padding-left: 24px;
  }

  .field-grid,
  .answer-columns {
    grid-template-columns: 1fr 1fr;
  }
}