:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --line: rgba(0, 0, 0, 0.1);
  --line-strong: rgba(0, 0, 0, 0.18);
  --text: #2c2c2a;
  --text-2: #5f5e5a;
  --text-3: #8a8a85;
  --accent: #1d9e75;
  --accent-soft: #e1f5ee;
  --danger: #a32d2d;
  --radius: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei',
    sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

#app {
  height: 100%;
}

/* ---------- 登录 ---------- */
.auth {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.auth-brand {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 2px;
}

.auth-sub {
  color: var(--text-3);
  font-size: 13px;
  margin-bottom: 20px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 0.5px solid var(--line);
}

.tab {
  border: none;
  background: none;
  padding: 8px 10px;
  color: var(--text-3);
  border-bottom: 2px solid transparent;
}

.tab.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.auth-msg {
  background: var(--accent-soft);
  color: #0f6e56;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
  margin-bottom: 12px;
}

.field {
  display: block;
  margin-bottom: 12px;
}

.field > span {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 4px;
}

.field input {
  width: 100%;
  padding: 9px 11px;
  border: 0.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  outline: none;
}

.field input:focus {
  border-color: var(--accent);
}

.field-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.field-grow {
  flex: 1;
  margin-bottom: 12px;
}

.btn {
  border: 0.5px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
}

.btn:hover {
  border-color: var(--text-3);
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #0f6e56;
}

.btn-sm {
  width: auto;
  padding: 6px 12px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
}

.btn-link {
  border: none;
  background: none;
  color: var(--text-3);
  margin-top: 10px;
  width: 100%;
  font-size: 13px;
}

/* ---------- 布局 ---------- */
.layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 250px;
  gap: 14px;
  height: 100%;
  padding: 14px;
}

.sidebar,
.context {
  overflow-y: auto;
}

.sidebar {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 12px;
}

.brand {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.nav {
  display: flex;
  flex-direction: column;
}

.nav-item {
  text-align: left;
  border: none;
  background: none;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
}

.nav-item:hover {
  background: var(--bg);
}

.nav-item.is-active {
  background: var(--accent-soft);
  color: #0f6e56;
  font-weight: 500;
}

.side-title {
  font-size: 12px;
  color: var(--text-3);
  margin: 18px 10px 6px;
}

.tag-tree {
  display: flex;
  flex-direction: column;
}

.tag-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: none;
  background: none;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13px;
}

.tag-item:hover {
  background: var(--bg);
}

.tag-item.is-active {
  background: var(--accent-soft);
  color: #0f6e56;
}

.tag-sub {
  padding-left: 22px;
  font-size: 12px;
  color: var(--text-3);
}

.tag-count,
.day-count {
  font-size: 11px;
  color: var(--text-3);
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.search {
  flex: 1;
  padding: 9px 12px;
  border: 0.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  outline: none;
}

.search:focus {
  border-color: var(--accent);
}

.sync {
  font-size: 12px;
  color: var(--text-3);
  min-width: 48px;
  text-align: right;
}

.sync.is-busy {
  color: var(--accent);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 3px;
  border: 0.5px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
}

.menu-btn span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text-2);
}

.composer {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 14px;
}

.composer-input {
  width: 100%;
  border: none;
  outline: none;
  resize: vertical;
  min-height: 62px;
  background: transparent;
}

.composer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 0.5px solid var(--line);
  padding-top: 10px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.chip {
  display: inline-block;
  font-size: 12px;
  background: var(--accent-soft);
  color: #0f6e56;
  border-radius: 999px;
  padding: 2px 9px;
}

.chip-btn {
  border: 0.5px solid transparent;
  background: var(--bg);
  color: var(--text-2);
}

.chip-btn:hover {
  border-color: var(--accent);
}

.chip-inline {
  cursor: pointer;
}

.composer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.hint {
  font-size: 11px;
  color: var(--text-3);
}

.content {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 40px;
}

.day-group {
  margin-bottom: 6px;
}

.day-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-3);
  margin: 10px 2px 6px;
}

.card {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
}

.card.is-selected {
  border-color: var(--accent);
}

.card-body {
  white-space: pre-wrap;
  word-break: break-word;
}

.card-body code {
  background: var(--bg);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12px;
}

.card-body blockquote {
  margin: 4px 0;
  padding-left: 10px;
  border-left: 2px solid var(--line-strong);
  color: var(--text-2);
}

.card-body ul {
  margin: 4px 0;
  padding-left: 20px;
}

.card-body .gap {
  height: 8px;
}

.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.time {
  font-size: 11px;
  color: var(--text-3);
}

.card-ops {
  display: none;
  gap: 8px;
  margin-left: auto;
}

.card:hover .card-ops,
.card.is-selected .card-ops {
  display: flex;
}

.op {
  border: none;
  background: none;
  color: var(--text-3);
  font-size: 12px;
  padding: 0;
}

.op:hover {
  color: var(--text);
}

.op-danger:hover {
  color: var(--danger);
}

.edit-input {
  width: 100%;
  min-height: 90px;
  border: 0.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 10px;
  resize: vertical;
  outline: none;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.empty,
.empty-hint {
  color: var(--text-3);
  font-size: 13px;
  text-align: center;
  padding: 40px 12px;
}

.empty-hint {
  text-align: left;
  padding: 8px 2px;
}

.review-block {
  margin-bottom: 18px;
}

.review-title {
  font-size: 12px;
  color: var(--text-3);
  margin: 6px 2px;
}

.review-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.review-actions .btn {
  width: auto;
}

.context {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.panel-title {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 10px;
}

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

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-2);
  padding: 3px 0;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.metric {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.metric-label {
  font-size: 11px;
  color: var(--text-3);
}

.metric-value {
  font-size: 22px;
  font-weight: 500;
}

.heatmap {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 12px);
  gap: 3px;
  overflow-x: auto;
}

.heatmap-sm {
  grid-template-rows: repeat(7, 10px);
}

.heat {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: #f1efe8;
}

.heatmap-sm .heat {
  width: 10px;
  height: 10px;
}

.heat-1 {
  background: #c0dd97;
}
.heat-2 {
  background: #97c459;
}
.heat-3 {
  background: #639922;
}
.heat-4 {
  background: #3b6d11;
}

.heat-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 10px;
}

.stats {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.bar-name {
  font-size: 12px;
  width: 108px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.bar-num {
  font-size: 12px;
  color: var(--text-3);
  width: 28px;
  text-align: right;
}

.tabbar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--surface);
  border-top: 0.5px solid var(--line);
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
}

.tabbar-item {
  flex: 1;
  border: none;
  background: none;
  padding: 8px 0;
  color: var(--text-3);
  font-size: 12px;
}

.tabbar-item.is-active {
  color: var(--accent);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 999px;
  opacity: 1;
  transition: opacity 0.4s;
  z-index: 50;
}

.toast.is-error {
  background: var(--danger);
}

.toast.is-out {
  opacity: 0;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 190px minmax(0, 1fr);
  }
  .context {
    display: none;
  }
}

@media (max-width: 820px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    padding: 10px 10px 70px;
  }
  .menu-btn {
    display: flex;
  }
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 260px;
    z-index: 40;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform 0.2s;
  }
  body.nav-open .sidebar {
    transform: translateX(0);
    box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.25);
  }
  .tabbar {
    display: flex;
  }
  .card-ops {
    display: flex;
  }
}