:root {
  --bg: #f4efe5;
  --bg-strong: #ede5d6;
  --panel: rgba(255, 251, 244, 0.78);
  --panel-strong: rgba(255, 249, 240, 0.94);
  --line: rgba(69, 54, 35, 0.12);
  --line-strong: rgba(69, 54, 35, 0.22);
  --text: #2f2418;
  --muted: #786753;
  --accent: #0f6b57;
  --accent-deep: #0d5344;
  --accent-soft: rgba(15, 107, 87, 0.12);
  --warm: #a24a2f;
  --gold: #c2912f;
  --shadow: 0 24px 60px rgba(55, 37, 19, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-ui: "Segoe UI Variable Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(194, 145, 47, 0.18), transparent 28%),
    radial-gradient(circle at left 20%, rgba(15, 107, 87, 0.18), transparent 34%),
    linear-gradient(180deg, #f6f2ea 0%, #f1eadc 46%, #ece3d2 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 90%);
  opacity: 0.45;
}

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.55), transparent 30%),
    radial-gradient(circle at 80% 86%, rgba(255, 255, 255, 0.35), transparent 28%);
}

.app-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.title-block h1,
.panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.title-block h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.eyebrow,
.section-kicker,
.subtle,
.calendar-meta,
.hint,
.focus-secondary,
.result-row span,
.field span {
  color: var(--muted);
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.subtle {
  margin: 10px 0 0;
  max-width: 34rem;
  line-height: 1.6;
  font-size: 0.96rem;
}

.toolbar,
.action-group,
.calendar-controls,
.inline-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.ghost-button,
.chip-button,
.solid-button,
input[type="month"],
input[type="date"],
select {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 251, 244, 0.84);
  color: var(--text);
}

.ghost-button,
.chip-button,
.solid-button {
  min-height: 42px;
  padding: 0 16px;
}

.ghost-button,
.chip-button {
  backdrop-filter: blur(12px);
}

.ghost-button:hover,
.chip-button:hover,
input[type="month"]:focus,
input[type="date"]:focus,
select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 4px rgba(15, 107, 87, 0.12);
}

.solid-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-color: transparent;
  color: #f8f4ed;
  box-shadow: 0 12px 24px rgba(15, 107, 87, 0.2);
}

.solid-button:hover {
  box-shadow: 0 16px 28px rgba(15, 107, 87, 0.26);
}

.workspace {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  grid-column: span 4;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), transparent 24%),
    var(--panel);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: var(--shadow);
  animation: rise 480ms ease both;
}

.panel-spotlight {
  grid-column: span 12;
  background:
    radial-gradient(circle at top right, rgba(194, 145, 47, 0.16), transparent 24%),
    radial-gradient(circle at left center, rgba(15, 107, 87, 0.12), transparent 30%),
    var(--panel-strong);
}

.panel-wide {
  grid-column: span 12;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.range-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--accent-deep);
  background: rgba(15, 107, 87, 0.08);
  border: 1px solid rgba(15, 107, 87, 0.12);
  white-space: nowrap;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.focus-card,
.result-row,
.countdown-card,
.calendar-day {
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.72);
}

.focus-card {
  border-radius: var(--radius-lg);
  padding: 18px;
}

.focus-label {
  margin: 0 0 12px;
  font-size: 0.86rem;
  color: var(--muted);
}

.focus-primary {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.35;
}

.focus-secondary {
  margin: 10px 0 0;
  line-height: 1.55;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 16px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 251, 244, 0.7);
  border: 1px solid var(--line);
}

.metric-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.45;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.92rem;
}

input[type="month"],
input[type="date"],
select {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
}

.result-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 15px 16px;
  border-radius: var(--radius-md);
}

.result-row strong {
  text-align: right;
  line-height: 1.55;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.switch input {
  accent-color: var(--accent);
}

.inline-result {
  min-height: 52px;
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-strong);
  background: rgba(255, 249, 240, 0.7);
  line-height: 1.7;
}

.countdown-list {
  display: grid;
  gap: 12px;
}

.countdown-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: var(--radius-md);
}

.countdown-card h3,
.day-number,
.lunar-label {
  margin: 0;
}

.countdown-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.countdown-tag {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 92px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(162, 74, 47, 0.08);
  color: var(--warm);
  border: 1px solid rgba(162, 74, 47, 0.14);
  font-weight: 700;
}

.calendar-head {
  align-items: center;
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.weekday-row {
  gap: 10px;
  margin-bottom: 12px;
}

.weekday-row span {
  text-align: center;
  padding: 10px 0;
  color: var(--muted);
}

.calendar-grid {
  gap: 10px;
}

.calendar-day {
  min-height: 118px;
  padding: 14px;
  border-radius: var(--radius-md);
  text-align: left;
  box-shadow: none;
}

.calendar-day.is-current-month {
  background: rgba(255, 251, 244, 0.88);
}

.calendar-day.is-today {
  border-color: rgba(194, 145, 47, 0.45);
  background:
    linear-gradient(180deg, rgba(194, 145, 47, 0.15), transparent 30%),
    rgba(255, 251, 244, 0.94);
}

.calendar-day.is-selected {
  border-color: rgba(15, 107, 87, 0.44);
  box-shadow: inset 0 0 0 1px rgba(15, 107, 87, 0.2);
}

.calendar-day.is-other-month {
  opacity: 0.54;
}

.day-number {
  font-size: 1.05rem;
  font-weight: 700;
}

.lunar-label {
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--muted);
}

.festival-badge {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--accent-deep);
  background: var(--accent-soft);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .panel {
    grid-column: span 6;
  }

  .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .app-shell {
    width: min(100% - 20px, 1200px);
    padding-top: 18px;
  }

  .topbar,
  .panel-head,
  .calendar-head {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar,
  .calendar-controls {
    width: 100%;
  }

  .toolbar > *,
  .calendar-controls > * {
    flex: 1 1 auto;
  }

  .panel,
  .panel-wide,
  .panel-spotlight {
    grid-column: span 12;
  }

  .focus-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .weekday-row,
  .calendar-grid {
    gap: 8px;
  }

  .calendar-day {
    min-height: 108px;
    padding: 12px;
  }

  .result-row,
  .countdown-card {
    grid-template-columns: 1fr;
  }

  .result-row {
    align-items: flex-start;
  }

  .result-row strong {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .metrics {
    grid-template-columns: 1fr;
  }

  .calendar-day {
    min-height: 96px;
    padding: 10px;
  }

  .day-number {
    font-size: 1rem;
  }

  .lunar-label {
    font-size: 0.84rem;
  }
}