:root {
  --bg: #f4f0e6;
  --bg-accent: #f4f0e6;
  --panel: #fffcf7;
  --panel-strong: #fffcf7;
  --line: #e6dfd2;
  --line-strong: rgba(43, 57, 62, 0.24);
  --text: #1c1916;
  --muted: #6f675e;
  --primary: #1f4d45;
  --primary-strong: #174d47;
  --primary-soft: rgba(33, 111, 102, 0.12);
  --warm: #9a6430;
  --warm-soft: rgba(154, 100, 48, 0.12);
  --danger: #a84444;
  --danger-soft: rgba(168, 68, 68, 0.1);
  --shadow: none;
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

.save-status {
  padding: 8px 20px;
  background: var(--panel);
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.save-status.save-problem { color: var(--danger); }
.save-status button { font-size: inherit; padding: 4px 10px; }
.save-status [hidden] { display: none; }

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1,
h2 {
  font-family: "Palatino Linotype", "Songti SC", "STSong", serif;
  font-weight: 500;
}

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

button {
  border: 0;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.account-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.account-card {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.account-card .eyebrow {
  margin: 0;
}

.account-card h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.1;
}

.account-lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.account-modes {
  display: flex;
  gap: 10px;
}

.account-mode-button {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.account-mode-button.active {
  border-color: rgba(33, 111, 102, 0.3);
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 360px);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-copy,
.hero-side,
.panel,
.overview-card,
.modal-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-side {
  border-radius: var(--radius-xl);
  padding: 26px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.05;
}

.subtitle {
  margin: 14px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.toggle-card {
  display: grid;
  gap: 10px;
  cursor: pointer;
  height: 100%;
}

.toggle-title {
  font-size: 15px;
  font-weight: 700;
}

.toggle-help {
  color: var(--muted);
  line-height: 1.6;
}

.toggle-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.toggle-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-switch {
  position: relative;
  width: 62px;
  height: 34px;
  border-radius: 999px;
  background: rgba(43, 57, 62, 0.16);
  transition: background 0.18s ease;
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.18s ease;
}

#hub-connected:checked + .toggle-switch,
.toggle-card:has(#hub-connected:checked) .toggle-switch {
  background: var(--primary);
}

#hub-connected:checked + .toggle-switch::after,
.toggle-card:has(#hub-connected:checked) .toggle-switch::after {
  transform: translateX(28px);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.overview-card {
  border-radius: 22px;
  padding: 18px 20px;
}

.overview-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.overview-value {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  font-weight: 700;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.nav-button,
.timer-suggestion,
.filter,
.habit-picker-item,
.action-button,
.icon-button,
.pseudo-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.nav-button:hover,
.timer-suggestion:hover,
.filter:hover,
.habit-picker-item:hover,
.action-button:hover,
.icon-button:hover,
.primary:hover,
.secondary:hover,
.ghost-danger:hover,
.pseudo-button:hover {
  transform: none;
}

.nav-button {
  border-radius: 8px;
  padding: 10px 16px;
  background: transparent;
}

.nav-button.active,
.timer-suggestion.active,
.filter.active,
.habit-picker-item.active {
  border-color: rgba(33, 111, 102, 0.28);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.nav-button.active {
  border-color: transparent;
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--text);
}

.page-stack {
  display: grid;
  gap: 18px;
}

.page {
  display: grid;
  gap: 18px;
}

.panel {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-header h2 {
  margin: 0 0 6px;
  font-size: 24px;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.stack-block {
  display: grid;
  gap: 16px;
}

.inline-badge,
.save-status,
.meta-note {
  color: var(--muted);
  font-size: 12px;
}

.inline-badge {
  align-self: flex-start;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--warm-soft);
  color: var(--warm);
}

.form,
.timer-panel,
.detail-grid,
.metric-grid,
.two-column,
.three-column,
.backup-actions,
.toolbar,
.group-events,
.habit-card,
.done-list,
.habit-picker-list,
.picker,
.picker-header,
.picker-search {
  display: grid;
  gap: 14px;
}

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

.field span {
  font-size: 13px;
  color: var(--muted);
}

.field input,
.field textarea,
.field select,
.picker-search input,
.timer-predict input,
.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  padding: 12px 14px;
  color: var(--text);
}

.field textarea,
#timer-recurring-log,
#timer-single-log {
  min-height: 110px;
  resize: vertical;
}

.timer-panel {
  gap: 18px;
}

.timer-predict {
  display: grid;
  gap: 8px;
}

.input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.input-row input {
  flex: 1;
}

.icon-button {
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
}

.icon-button.subtle {
  background: transparent;
}

.timer-suggestions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.timer-suggestion,
.habit-picker-item,
.filter,
.action-button {
  border-radius: 999px;
  padding: 8px 12px;
}

.timer-prediction-display {
  color: var(--muted);
}

.timer-readout {
  display: grid;
  gap: 18px;
  border-radius: 26px;
  padding: 22px;
  background: transparent;
}

.timer-display {
  font-size: clamp(48px, 9vw, 82px);
  font-weight: 500;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  font-family: "Palatino Linotype", "Songti SC", "STSong", serif;
}

.timer-actions,
.backup-actions,
.habit-actions,
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-note-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.primary,
.secondary,
.ghost-danger,
.pseudo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 16px;
  cursor: pointer;
}

.primary {
  border-radius: 8px;
  background: var(--text);
  color: #fffcf7;
}

.secondary,
.pseudo-button {
  border: 1px solid rgba(33, 111, 102, 0.18);
  background: rgba(33, 111, 102, 0.08);
  color: var(--primary-strong);
}

.secondary {
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
}

.ghost-danger {
  border: 1px solid rgba(168, 68, 68, 0.22);
  background: var(--danger-soft);
  color: var(--danger);
}

.picker {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: rgba(255, 255, 255, 0.46);
}

.node-picker-free {
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.node-picker-free.active {
  border-color: rgba(33, 111, 102, 0.28);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.picker-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

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

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

.record-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.record-tab {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
}

.record-tab.active {
  border-color: rgba(33, 111, 102, 0.28);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

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

.panel-nested {
  box-shadow: none;
  background: rgba(255, 255, 255, 0.55);
}

.metric-card,
.done-item,
.habit-log,
.report {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.66);
}

.metric-card {
  padding: 16px 18px;
  display: grid;
  gap: 8px;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  font-size: 22px;
}

.habit-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.habit-summary h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.habit-summary p {
  margin: 0;
  color: var(--muted);
}

.habit-detail {
  display: grid;
  gap: 10px;
}

.habit-detail-row,
.group-header,
.toolbar,
.modal-header,
.modal-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.habit-log {
  padding: 14px 16px;
  color: var(--text);
  white-space: pre-wrap;
  line-height: 1.7;
}

.empty-state {
  margin: 0;
  color: var(--muted);
}

.search-box {
  display: grid;
  gap: 6px;
  min-width: 210px;
}

.done-list {
  margin-top: 4px;
}

.done-item {
  padding: 16px;
}

.done-item h4 {
  margin: 0 0 8px;
  font-size: 17px;
}

.done-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.item-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.action-button.danger {
  color: var(--danger);
  border-color: rgba(168, 68, 68, 0.22);
  background: var(--danger-soft);
}

.group-events {
  margin-top: 14px;
}

.group-event {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  display: grid;
  gap: 6px;
}

.group-event:first-child {
  border-top: 0;
  padding-top: 0;
}

.group-event-title {
  font-weight: 700;
}

.report {
  padding: 14px 16px;
  color: var(--warm);
  background: rgba(154, 100, 48, 0.08);
  border-color: rgba(154, 100, 48, 0.2);
  line-height: 1.7;
}

.soft-report {
  color: var(--primary-strong);
  background: rgba(33, 111, 102, 0.08);
  border-color: rgba(33, 111, 102, 0.2);
}

.checklist {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

a.icon-button,
a.overview-card {
  text-decoration: none;
}

a.overview-card {
  color: inherit;
}

a.icon-button {
  display: inline-flex;
  align-items: center;
}

.aim-line {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(33, 111, 102, 0.18);
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  padding: 12px 14px;
}

.modal-root {
  position: fixed;
  inset: 0;
  background: rgba(19, 23, 27, 0.42);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}

.modal-card {
  width: min(560px, 100%);
  border-radius: var(--radius-xl);
  padding: 22px;
}

.modal-header h3 {
  margin: 0;
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .hero,
  .overview-grid,
  .detail-grid,
  .metric-grid,
  .two-column,
  .three-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 24px, 1180px);
    padding: 18px 0 36px;
  }

  .hero-copy,
  .hero-side,
  .panel,
  .modal-card {
    padding: 20px;
  }

  .habit-main,
  .toolbar,
  .panel-header,
  .modal-header,
  .modal-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .input-row {
    flex-direction: column;
    align-items: stretch;
  }

  .timer-display {
    font-size: 42px;
  }
}

.account-back {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.account-back a {
  color: var(--muted);
}

.issue-fallback-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
}

.bug-mail {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}