:root {
  color-scheme: light;
  --bg: #fffafc;
  --surface: #ffffff;
  --surface-soft: #fff4f8;
  --ink: #30272c;
  --muted: #74686f;
  --line: #eadce2;
  --accent: #d989a1;
  --accent-strong: #b85f7c;
  --accent-soft: #f7d7e1;
  --moon: #fff7dc;
  --focus: #8267b6;
  --shadow: 0 18px 45px rgba(91, 58, 72, 0.09);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: radial-gradient(circle at top left, #fff6dc 0 0.5rem, transparent 8rem), var(--bg);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 244, 248, 0.95), rgba(255, 250, 252, 0.9) 24rem),
    var(--bg);
}

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

button {
  cursor: pointer;
}

.app-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: max(1rem, env(safe-area-inset-top)) 1rem 2rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0 0.75rem;
}

.moon-mark {
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.35rem;
  font-size: clamp(2rem, 8vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
  line-height: 1.25;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}

.hero-copy,
.soft-note,
.info-panel p,
.danger-zone p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  margin-bottom: 0;
  max-width: 36rem;
}

.privacy-badge {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  gap: 0.1rem;
  min-width: 6.5rem;
  min-height: 6.5rem;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, #fffef6, var(--moon));
  border: 1px solid #eadfb9;
  box-shadow: var(--shadow);
  color: #725f39;
  text-align: center;
}

.privacy-badge span {
  font-size: 0.78rem;
}

.tab-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.65rem 0;
  margin-bottom: 0.75rem;
  background: rgba(255, 250, 252, 0.92);
  backdrop-filter: blur(14px);
}

.nav-btn,
.pill {
  min-height: 2.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--muted);
  font-weight: 700;
}

.nav-btn.is-active,
.pill.is-active {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.view {
  display: none;
}

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

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin: 1.1rem 0 0.9rem;
}

.eyebrow {
  margin-bottom: 0.25rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
}

.soft-note {
  max-width: 26rem;
  margin-bottom: 0;
  font-size: 0.92rem;
}

.form-panel,
.info-panel,
.danger-zone,
.summary-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.form-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.grid {
  display: grid;
  gap: 0.9rem;
}

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

label,
fieldset {
  display: grid;
  gap: 0.4rem;
}

label > span,
legend {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

input,
select,
textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0.82rem 0.9rem;
  outline: none;
}

.date-picker {
  position: relative;
  display: inline-flex;
  width: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.date-display {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  width: auto;
  min-width: 11.5rem;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  padding: 0.72rem 1.1rem;
  text-align: center;
  font-weight: 700;
  line-height: 1.2;
  outline: none;
}

.native-date-input {
  display: none;
}

.date-display:focus-visible,
.date-picker:focus-within .date-display {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(130, 103, 182, 0.18);
}

.date-popover {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 0;
  z-index: 30;
  display: grid;
  gap: 0.75rem;
  width: min(20rem, calc(100vw - 2rem));
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.date-popover[hidden] {
  display: none;
}

.date-popover-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 0.55rem;
}

.date-part {
  display: grid;
  gap: 0.25rem;
}

.date-part > span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.date-popover-grid select {
  min-height: 2.45rem;
  padding: 0.55rem 0.45rem;
  text-align: center;
}

.date-popover-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.date-popover-actions button {
  min-height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink);
  padding: 0.45rem 0.85rem;
  font-weight: 700;
}

textarea {
  resize: vertical;
  min-height: 4rem;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(130, 103, 182, 0.18);
}

input[type="range"] {
  padding: 0;
  accent-color: var(--accent-strong);
}

output {
  display: inline-grid;
  place-items: center;
  min-width: 2.1rem;
  min-height: 1.6rem;
  margin-left: 0.35rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-strong);
}

.segmented,
.segmented-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.segmented-group {
  display: grid;
  grid-template-columns: repeat(var(--segmented-columns, 3), minmax(0, 1fr));
  width: 100%;
}

.segmented-group[data-columns="4"] {
  --segmented-columns: 4;
}

.segmented-option {
  position: relative;
  min-width: 0;
  gap: 0;
}

.segmented-option input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.segmented-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  width: 100%;
  padding: 0.72rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  word-break: keep-all;
}

.segmented-option input:checked + span {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--ink);
}

.segmented-option input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.slider-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
}

.form-actions,
.button-grid,
.summary-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.summary-controls {
  margin-bottom: 1rem;
}

.summary-controls label {
  flex: 1 1 20rem;
}

.primary-btn,
.ghost-btn,
.soft-danger-btn {
  min-height: 2.9rem;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.75rem 1rem;
  font-weight: 800;
}

.primary-btn {
  background: var(--accent-strong);
  color: #fff;
}

.ghost-btn {
  background: #fff;
  color: var(--accent-strong);
  border-color: var(--accent);
}

.soft-danger-btn {
  background: #fff6f4;
  color: #9a5d54;
  border-color: #e7c3bd;
}

.status-line {
  min-height: 1.5rem;
  margin: 0;
  color: var(--accent-strong);
  font-weight: 700;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.stat-item {
  min-height: 5.4rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.stat-item span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.stat-item strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.35rem;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, 14rem);
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

canvas {
  width: 100%;
  height: auto;
  min-height: 12rem;
  margin-bottom: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #fff8fb);
}

.list {
  display: grid;
  gap: 0.8rem;
}

.record-card {
  display: grid;
  gap: 0.75rem;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.record-top {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: flex-start;
}

.record-title {
  display: grid;
  gap: 0.2rem;
}

.record-title strong {
  font-size: 1.2rem;
}

.record-title span,
.record-meta,
.summary-card p,
.summary-card li {
  color: var(--muted);
  line-height: 1.6;
}

.record-actions {
  display: flex;
  gap: 0.45rem;
}

.icon-btn {
  min-width: 2.55rem;
  min-height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--accent-strong);
  font-weight: 900;
}

.record-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.record-meta span {
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-soft);
}

.record-notes {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
}

.empty-state,
.info-panel,
.danger-zone,
.summary-card {
  padding: 1rem;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
}

.empty-state p,
.info-panel p:last-child,
.danger-zone p:last-child {
  margin-bottom: 0;
}

.summary-card {
  display: grid;
  gap: 0.8rem;
}

.summary-card h3 {
  margin: 0;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.summary-metric {
  padding: 0.8rem;
  border-radius: 8px;
  background: var(--surface-soft);
}

.summary-metric span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.summary-metric strong {
  display: block;
  margin-top: 0.25rem;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.keyword-list li {
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
}

.file-import {
  margin-top: 1rem;
}

.danger-zone {
  margin-top: 1rem;
  background: #fffdfc;
}

@media (max-width: 760px) {
  .app-shell {
    padding-inline: 0.85rem;
  }

  .hero {
    align-items: stretch;
  }

  .privacy-badge {
    min-width: 5rem;
    min-height: 5rem;
    font-size: 0.82rem;
  }

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

  .section-heading,
  .record-top {
    display: grid;
  }

  .grid.two,
  .slider-grid,
  .stat-strip,
  .toolbar,
  .summary-grid {
    grid-template-columns: 1fr;
  }

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

  .form-actions > *,
  .button-grid > *,
  .summary-controls > .primary-btn {
    width: 100%;
  }

  .record-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 380px) {
  .segmented-group {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .nav-btn,
  .primary-btn,
  .ghost-btn,
  .soft-danger-btn,
  .icon-btn {
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
  }

  button:active {
    transform: translateY(1px);
  }
}