:root {
  --bg-top: #f7efe4;
  --bg-bottom: #f4d4bf;
  --card: rgba(255, 249, 243, 0.86);
  --card-border: rgba(124, 73, 42, 0.14);
  --text-main: #4c2f22;
  --text-soft: #8b5e48;
  --accent: #d18b52;
  --accent-strong: #8a4d2a;
  --accent-shadow: rgba(138, 77, 42, 0.18);
  --surface: #fff8f2;
  --surface-strong: #f1d5c0;
  --success: #5e7f47;
  --success-bg: #dce9d2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.6), transparent 32%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(6px);
  opacity: 0.55;
}

body::before {
  width: 240px;
  height: 240px;
  right: -80px;
  top: 40px;
  background: rgba(255, 255, 255, 0.38);
}

body::after {
  width: 180px;
  height: 180px;
  left: -30px;
  bottom: 40px;
  background: rgba(209, 139, 82, 0.18);
}

.app-shell {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(113, 71, 41, 0.12);
  backdrop-filter: blur(12px);
}

.hero-card {
  padding: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(28px, 5vw, 40px);
}

.subtitle {
  margin-bottom: 24px;
  color: var(--text-soft);
}

.toggle-button {
  width: 100%;
  padding: 24px 20px;
  border: none;
  border-radius: 24px;
  background: linear-gradient(180deg, #f9e7d8, #efc5a6);
  color: var(--text-main);
  box-shadow: inset 0 -4px 10px rgba(138, 77, 42, 0.08);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.toggle-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px var(--accent-shadow);
}

.toggle-button.is-active {
  background: linear-gradient(180deg, #bc7644, #8a4d2a);
  color: #fff7f0;
  box-shadow: 0 18px 30px rgba(109, 55, 26, 0.24);
}

.toggle-title,
.toggle-hint {
  display: block;
}

.toggle-title {
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 700;
}

.toggle-hint {
  font-size: 14px;
  opacity: 0.82;
}

.secondary-button,
.icon-button {
  border: none;
  cursor: pointer;
  font: inherit;
}

.secondary-button {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 248, 242, 0.9);
  color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px rgba(138, 77, 42, 0.12);
}

.details-card {
  margin-top: 20px;
  padding: 28px;
}

.section-header p {
  color: var(--text-soft);
}

.record-form {
  display: grid;
  gap: 16px;
}

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

.field span {
  font-weight: 600;
}

.field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(124, 73, 42, 0.16);
  border-radius: 16px;
  background: var(--surface);
  font: inherit;
  color: inherit;
  outline: none;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(209, 139, 82, 0.16);
}

.save-button {
  padding: 14px 18px;
  border: none;
  border-radius: 16px;
  background: var(--accent-strong);
  color: #fffaf5;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.edit-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 18px 0 4px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(238, 191, 150, 0.32);
}

.edit-banner.is-hidden {
  display: none;
}

.summary {
  margin-top: 20px;
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  color: var(--text-soft);
  min-height: 72px;
  line-height: 1.7;
}

.summary.has-record {
  background: var(--success-bg);
  color: #355025;
}

.calendar-card {
  margin-top: 20px;
  padding: 28px;
}

.calendar-card.is-hidden {
  display: none;
}

.calendar-header,
.calendar-nav,
.stats-grid,
.calendar-weekdays,
.legend-row,
.legend-scale {
  display: flex;
}

.calendar-header,
.legend-row {
  align-items: center;
  justify-content: space-between;
}

.calendar-subtitle {
  margin-bottom: 0;
  color: var(--text-soft);
}

.calendar-nav {
  gap: 10px;
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px rgba(138, 77, 42, 0.12);
}

.stats-grid {
  gap: 12px;
  margin: 22px 0 18px;
  flex-wrap: wrap;
}

.stat-box {
  flex: 1 1 160px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 248, 242, 0.92);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 14px;
}

.stat-box strong {
  font-size: 26px;
}

.streak-box strong,
.streak-subtext {
  display: block;
}

.streak-subtext {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 14px;
}

.calendar-weekdays {
  margin-bottom: 10px;
  color: var(--text-soft);
  font-size: 13px;
}

.calendar-weekdays span {
  width: calc(100% / 7);
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.calendar-day {
  min-height: 92px;
  padding: 10px 8px;
  border-radius: 18px;
  background: rgba(255, 248, 242, 0.72);
  box-shadow: inset 0 0 0 1px rgba(138, 77, 42, 0.08);
  border: none;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.calendar-day.is-empty {
  background: transparent;
  box-shadow: none;
  cursor: default;
}

.calendar-day.is-today {
  outline: 2px solid rgba(94, 127, 71, 0.5);
}

.calendar-day.is-selected {
  box-shadow:
    inset 0 0 0 2px rgba(76, 47, 34, 0.35),
    0 10px 22px rgba(138, 77, 42, 0.14);
}

.calendar-day.level-0 {
  background: rgba(255, 248, 242, 0.72);
}

.calendar-day.level-1 {
  background: #f7e1d2;
}

.calendar-day.level-2 {
  background: #eebf96;
}

.calendar-day.level-3 {
  background: #da915f;
  color: #fff9f4;
}

.calendar-day.level-4 {
  background: #8a4d2a;
  color: #fff9f4;
}

.day-number,
.day-state,
.day-amount,
.day-note {
  display: block;
}

.day-number {
  font-weight: 700;
}

.day-state,
.day-amount,
.day-note {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.4;
}

.day-note {
  opacity: 0.82;
  word-break: break-word;
}

.legend-row {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 13px;
}

.legend-scale {
  gap: 6px;
  align-items: center;
}

.legend-step {
  width: 22px;
  height: 10px;
  border-radius: 999px;
}

.legend-step.level-1 {
  background: #f7e1d2;
}

.legend-step.level-2 {
  background: #eebf96;
}

.legend-step.level-3 {
  background: #da915f;
}

.legend-step.level-4 {
  background: #8a4d2a;
}

.day-detail-card {
  margin-top: 22px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 248, 242, 0.94);
}

.day-detail-card h3 {
  margin: 0 0 16px;
  font-size: 24px;
}

.ghost-button {
  padding: 14px 18px;
  border: 1px solid rgba(138, 77, 42, 0.16);
  border-radius: 16px;
  background: transparent;
  color: var(--accent-strong);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.detail-summary-grid {
  margin-top: 16px;
}

.detail-item {
  padding: 14px;
  border-radius: 18px;
  background: var(--surface);
}

.detail-note-block {
  grid-column: 1 / -1;
}

.detail-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 13px;
}

.detail-item strong {
  font-size: 18px;
  line-height: 1.5;
  word-break: break-word;
}

@media (max-width: 560px) {
  .app-shell {
    padding: 18px 14px 32px;
  }

  .hero-card,
  .details-card {
    padding: 20px;
    border-radius: 22px;
  }

  .toggle-title {
    font-size: 24px;
  }

  .calendar-header {
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }

  .calendar-day {
    min-height: 84px;
    padding: 8px 6px;
    border-radius: 14px;
  }

  .day-state,
  .day-amount,
  .day-note {
    font-size: 11px;
  }

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