:root {
  color-scheme: light;
  --paper: #f6f0e7;
  --paper-soft: #fbf7ef;
  --card: rgba(255, 252, 245, 0.92);
  --ink: #2a261f;
  --muted: #807566;
  --line: #e2d7c6;
  --sage: #7f8d72;
  --moss: #59684e;
  --clay: #b8755f;
  --sand: #d8c1a1;
  --shadow: 0 18px 44px rgba(72, 57, 40, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72), transparent 30rem),
    linear-gradient(135deg, rgba(127, 141, 114, 0.16), rgba(216, 193, 161, 0.2)),
    var(--paper);
  font-family:
    "Avenir Next", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

button,
input,
select,
textarea {
  min-height: 44px;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding: 18px 14px 96px;
}

.hero {
  display: grid;
  gap: 18px;
  padding: 32px 10px 22px;
}

.hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(46px, 12vw, 96px);
  font-weight: 500;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 560px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.hero-date {
  justify-self: start;
  padding: 9px 12px;
  color: var(--moss);
  background: rgba(255, 252, 245, 0.75);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--clay);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tabbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 8px;
  padding: 10px 0 12px;
  overflow-x: auto;
  background: linear-gradient(180deg, var(--paper) 72%, rgba(246, 240, 231, 0));
  scrollbar-width: none;
}

.tabbar::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  flex: 0 0 auto;
  padding: 0 16px;
  color: var(--muted);
  background: rgba(255, 252, 245, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
}

.nav-tab.is-active {
  color: #fffdf8;
  background: var(--moss);
  border-color: var(--moss);
}

.panel {
  display: none;
  margin-top: 14px;
  padding: 20px;
  background: var(--card);
  border: 1px solid rgba(226, 215, 198, 0.8);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.panel.is-active {
  display: block;
}

.section-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.section-heading h2,
.module-block h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.15;
}

.section-heading h2 {
  font-size: clamp(28px, 8vw, 48px);
}

.module-block h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

.insight-card {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  padding: 18px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.insight-card span {
  color: var(--clay);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.insight-card p {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.7;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-grid article {
  min-height: 112px;
  padding: 16px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.metric-grid span,
.item-meta,
.category-tools,
.empty-state span {
  color: var(--muted);
  font-size: 13px;
}

.metric-grid strong {
  display: block;
  margin-top: 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(24px, 8vw, 36px);
  font-weight: 500;
}

.entry-form,
.stack-form {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

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

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

.entry-form.compact,
.content-form {
  grid-template-columns: 1fr;
}

input,
select,
textarea {
  width: 100%;
  padding: 0 13px;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}

textarea {
  min-height: 110px;
  padding: 13px;
  line-height: 1.7;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(127, 141, 114, 0.18);
}

button {
  min-height: 44px;
  color: #fffdf8;
  background: var(--moss);
  border: 1px solid var(--moss);
  border-radius: 12px;
  font-weight: 800;
}

.soft-button,
.category-tools button,
.ghost-button {
  color: var(--moss);
  background: #fffdf8;
  border-color: var(--line);
}

.category-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.category-tools button {
  min-height: 36px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
}

.split-layout {
  display: grid;
  gap: 14px;
}

.module-block {
  padding: 16px;
  background: rgba(255, 253, 248, 0.8);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.item-list {
  display: grid;
  gap: 10px;
}

.item-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.item-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.item-card input[type="checkbox"] {
  width: 28px;
  min-height: 28px;
  accent-color: var(--moss);
}

.item-title {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.item-meta {
  white-space: pre-line;
}

.item-card.is-done .item-title {
  color: var(--muted);
  text-decoration: line-through;
}

.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 0 9px;
  color: var(--moss);
  background: rgba(127, 141, 114, 0.14);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.item-actions button {
  min-height: 36px;
  padding: 0 10px;
  color: var(--moss);
  background: #fffdf8;
  border-color: var(--line);
  font-size: 13px;
}

.quick-sync {
  margin-bottom: 14px;
}

.quick-actions {
  display: grid;
  gap: 10px;
}

.quick-actions button {
  width: 100%;
  min-height: 54px;
  font-size: 16px;
}

.setup-panel {
  display: grid;
  gap: 14px;
}

.advanced-settings {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.advanced-settings summary {
  min-height: 44px;
  color: var(--moss);
  font-weight: 800;
  cursor: pointer;
}

.muted-text {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.progress {
  height: 9px;
  overflow: hidden;
  background: #eee3d4;
  border-radius: 999px;
}

.progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--sage), var(--clay));
}

.empty-state {
  display: grid;
  gap: 6px;
  min-height: 120px;
  place-content: center;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 16px;
}

@media (min-width: 760px) {
  .app-shell {
    padding: 28px 24px 80px;
  }

  .hero {
    grid-template-columns: 1fr auto;
    align-items: end;
    padding-top: 54px;
  }

  .section-heading {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

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

  .entry-form {
    grid-template-columns: minmax(0, 1fr) 150px 100px;
  }

  .entry-form.compact {
    grid-template-columns: minmax(0, 1fr) 120px 96px;
  }

  .content-form {
    grid-template-columns: 130px minmax(0, 1fr) 110px 90px 96px;
  }

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

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

@media (min-width: 1040px) {
  .metric-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}