:root {
  color-scheme: light;
  --bg: #f5f1e8;
  --bg-accent: #efe4cf;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --text: #2f2419;
  --muted: #786a57;
  --line: rgba(120, 106, 87, 0.18);
  --brand: #9f5f2c;
  --brand-deep: #70411d;
  --brand-soft: #f4e2d0;
  --success-soft: #edf6ea;
  --warning-soft: #fff1df;
  --shadow: 0 18px 40px rgba(60, 37, 17, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 30%),
    linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 26%, #f8f4eb 100%);
}

button,
input,
select {
  font: inherit;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: rgba(255, 253, 248, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.logo,
.section-title h2,
.result-hero h2,
.panel h3,
.drawer-header h3 {
  margin: 4px 0 0;
  font-family: "Georgia", "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo {
  font-size: 30px;
}

.build-badge {
  display: inline-flex;
  align-items: center;
  margin: 8px 0 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(159, 95, 44, 0.1);
  color: var(--brand-deep);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 252, 246, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.input-card,
.loading-card,
.result-card {
  padding: 28px;
}

.section-title {
  margin-bottom: 24px;
}

.section-title p:last-child,
.result-hero p,
.panel p,
.empty-state,
.muted {
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row-span {
  grid-column: 1 / -1;
}

.form-row-inline {
  justify-content: end;
}

.checkbox-row {
  justify-content: center;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid rgba(159, 95, 44, 0.22);
  border-color: rgba(159, 95, 44, 0.5);
}

.date-range {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
}

.quick-range-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.quick-range-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  cursor: pointer;
}

.range-separator {
  color: var(--muted);
}

.actions,
.result-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}

.main-btn,
.secondary-btn,
.history-btn,
.mode-btn,
.ghost-btn,
.history-item {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.main-btn,
.history-btn {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff8f0;
  box-shadow: 0 10px 24px rgba(112, 65, 29, 0.22);
}

.mode-btn {
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  border: 1px solid var(--line);
}

.mode-btn.active {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff8f0;
  box-shadow: 0 10px 24px rgba(112, 65, 29, 0.16);
}

.secondary-btn,
.ghost-btn {
  padding: 10px 18px;
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

.main-btn:hover,
.secondary-btn:hover,
.history-btn:hover,
.ghost-btn:hover,
.history-item:hover {
  transform: translateY(-1px);
}

.precision-card,
.precision-note,
.upgrade-hint,
.disclaimer {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 18px;
}

.reading-mode-panel {
  margin-top: 20px;
}

.guidance-panel .muted {
  margin: 16px 0 0;
}

.mode-copy {
  margin: 0 0 12px;
  color: var(--text);
}

.mode-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.precision-card {
  background: rgba(244, 226, 208, 0.72);
}

.precision-card h3,
.precision-note h3,
.upgrade-hint h3 {
  margin-top: 0;
}

.precision-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.loading-card {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 320px;
  text-align: center;
}

.loading-dot {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 4px solid rgba(159, 95, 44, 0.16);
  border-top-color: var(--brand);
  animation: spin 0.9s linear infinite;
}

.result-hero {
  padding: 24px;
  background: linear-gradient(135deg, rgba(159, 95, 44, 0.12), rgba(255, 255, 255, 0.78));
  border-radius: 20px;
  margin-top: 18px;
}

.hero-text {
  margin: 14px 0 10px;
  font-size: 24px;
  line-height: 1.5;
  color: var(--text);
}

.hero-subtext {
  margin: 0;
}

.disclaimer {
  margin-top: 0;
  background: #fff7e9;
  border: 1px solid rgba(191, 142, 80, 0.2);
}

.precision-note {
  background: var(--warning-soft);
}

.upgrade-hint {
  background: var(--success-soft);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.panel {
  margin-top: 20px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.context-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.compare-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.compare-card p {
  margin: 10px 0 0;
}

.compare-insights {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(244, 226, 208, 0.34);
  border: 1px solid var(--line);
}

.compare-insights h4 {
  margin: 0 0 10px;
}

.compare-insights ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
}

.context-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(159, 95, 44, 0.1);
  color: var(--brand-deep);
  border: 1px solid rgba(159, 95, 44, 0.18);
  font-size: 14px;
}

.guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guidance-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.guidance-card h4 {
  margin: 10px 0 8px;
  font-size: 18px;
}

.guidance-card p {
  margin: 0;
}

.guidance-label {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(159, 95, 44, 0.1);
  color: var(--brand-deep);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.warning-card {
  background: linear-gradient(180deg, rgba(255, 241, 223, 0.9), rgba(255, 255, 255, 0.78));
}

.bazi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.bazi-grid div {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(244, 226, 208, 0.45);
}

.bazi-grid dt {
  font-size: 13px;
  color: var(--muted);
}

.bazi-grid dd {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 700;
}

.score-list,
.history-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.score-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.score-list li:last-child {
  border-bottom: 0;
}

.advice-item + .advice-item {
  margin-top: 16px;
}

.advice-label {
  display: inline-block;
  min-width: 48px;
  color: var(--brand-deep);
  font-weight: 700;
}

.section-title-inline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.segment-list {
  display: grid;
  gap: 16px;
}

.segment {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(244, 226, 208, 0.32));
  border: 1px solid rgba(159, 95, 44, 0.12);
}

.segment-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.segment-header h4,
.segment-header p {
  margin: 0;
}

.segment-header p {
  margin-top: 6px;
}

.segment-badge {
  flex: none;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(120, 106, 87, 0.12);
  color: var(--muted);
  font-size: 13px;
}

.segment-badge.warning {
  background: rgba(236, 164, 71, 0.18);
  color: #8f5300;
}

.segment-body p {
  margin: 12px 0 0;
}

.dimensions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.dimensions span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  font-size: 14px;
}

.history-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 92vw);
  height: 100vh;
  padding: 24px 20px;
  background: rgba(255, 251, 244, 0.96);
  backdrop-filter: blur(14px);
  border-left: 1px solid var(--line);
  box-shadow: -24px 0 40px rgba(60, 37, 17, 0.12);
  overflow-y: auto;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.empty-state {
  margin-top: 28px;
}

.history-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.history-toolbar {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.history-item {
  width: 100%;
  text-align: left;
  padding: 16px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.history-item.active {
  border-color: rgba(159, 95, 44, 0.45);
  box-shadow: 0 10px 24px rgba(112, 65, 29, 0.08);
}

.history-item.comparing {
  background: rgba(244, 226, 208, 0.42);
}

.history-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.danger-btn {
  color: #9d372b;
  border-color: rgba(157, 55, 43, 0.2);
}

.history-item strong,
.history-item span {
  display: block;
}

.history-item span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.error {
  color: #b83b2f;
  font-size: 14px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100%, calc(100% - 24px));
    padding-top: 20px;
  }

  .form-grid,
  .result-grid,
  .guidance-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .section-title-inline,
  .segment-header,
  .result-top,
  .header {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  .header,
  .input-card,
  .loading-card,
  .result-card,
  .panel {
    padding: 18px;
  }

  .date-range {
    grid-template-columns: 1fr;
  }

  .range-separator {
    display: none;
  }

  .hero-text {
    font-size: 20px;
  }

  .bazi-grid {
    grid-template-columns: 1fr;
  }
}