:root {
  --bg: #f3eef1;
  --bg-elevated: rgba(255, 255, 255, 0.72);
  --bg-solid: #ffffff;
  --text: #1c1418;
  --text-secondary: #6d5d66;
  --line: rgba(28, 20, 24, 0.08);
  --pink: #e28aa8;
  --pink-deep: #c45d82;
  --rose: #f6d7e1;
  --lavender: #d9d0ef;
  --mint: #cfe8df;
  --predict: #f0b4c7;
  --fertile: #b7d8ef;
  --shadow: 0 10px 30px rgba(80, 40, 60, 0.08);
  --radius: 22px;
  --radius-sm: 14px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --tabbar-h: 72px;
  color-scheme: light;
}

body.dark {
  --bg: #141014;
  --bg-elevated: rgba(34, 28, 32, 0.78);
  --bg-solid: #221c20;
  --text: #f7eef2;
  --text-secondary: #b7a7b0;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(242, 196, 214, 0.55), transparent 28%),
    radial-gradient(circle at top right, rgba(206, 196, 240, 0.4), transparent 24%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, textarea { font: inherit; color: inherit; }
button { border: 0; background: none; cursor: pointer; }
button:active { transform: scale(0.97); }

.app-shell {
  width: min(980px, 100%);
  min-height: 100svh;
  margin: 0 auto;
  padding: calc(12px + var(--safe-top)) 16px calc(var(--tabbar-h) + var(--safe-bottom) + 18px);
  position: relative;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: -12px -16px 14px;
  padding: calc(10px + var(--safe-top)) 16px 10px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand-kicker { color: var(--pink-deep); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.brand h1 { font-size: 1.18rem; font-weight: 700; letter-spacing: 0; line-height: 1.25; }


.ai-icon-btn { border: none; box-shadow: none; }

.icon-btn, .ghost-btn {
  width: 40px; height: 40px; border-radius: 999px;
  display: grid; place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform 100ms var(--ease-out), background 180ms var(--ease-out);
}
.ghost-btn {
  width: 34px; height: 34px;
  font-size: 0;
  color: var(--text-secondary);
}
.ghost-btn svg {
  width: 14px; height: 14px;
  display: block;
}
.ghost-btn:hover {
  color: var(--pink-deep);
  background: color-mix(in srgb, var(--rose) 35%, var(--bg-elevated));
}
.month-nav .ghost-btn {
  width: 32px; height: 32px;
}

.content { display: grid; gap: 14px; }
.page { display: none; gap: 14px; }
.page.is-active { display: grid; animation: pageIn 320ms var(--ease-out); }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.surface, .hero-card, .panel, .stat-card, .metric {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow);
}
.surface, .hero-card, .panel { border-radius: var(--radius); }
.hero-card, .panel { padding: 18px; }

.hero-top { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.eyebrow { color: var(--text-secondary); font-size: 0.86rem; margin-bottom: 6px; }
.hero-card h2 { font-size: 1.55rem; line-height: 1.2; margin-bottom: 8px; letter-spacing: 0; }
.hero-sub, .muted, .fineprint { color: var(--text-secondary); }
.hero-sub { max-width: 28rem; }
.status-orb {
  width: 64px; height: 64px; border-radius: 50%; flex: 0 0 auto;
  background: radial-gradient(circle at 35% 30%, #fff, var(--rose) 42%, var(--pink) 78%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45), 0 10px 24px rgba(226, 138, 168, 0.28);
}
.status-orb.period { background: radial-gradient(circle at 35% 30%, #fff, #f0a0b8 45%, #d45d82 80%); }
.status-orb.soon { background: radial-gradient(circle at 35% 30%, #fff, #f3c7d5 45%, #e28aa8 80%); }
.status-orb.fertile { background: radial-gradient(circle at 35% 30%, #fff, #cfe4f6 45%, #7fb4de 80%); }

.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.metric { border-radius: 16px; padding: 12px; background: color-mix(in srgb, var(--bg-solid) 78%, transparent); }
.metric span { display: block; color: var(--text-secondary); font-size: 0.78rem; margin-bottom: 4px; }
.metric strong { font-size: 0.98rem; font-weight: 650; }

.quick-actions { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 10px; }
.action-btn {
  min-height: 48px;
  border-radius: 16px;
  padding: 0 14px;
  font-weight: 600;
  border: none;
  outline: none;
  background: color-mix(in srgb, var(--bg-solid) 82%, transparent);
  box-shadow: 0 8px 18px rgba(80, 40, 60, 0.08);
  transition: transform 100ms var(--ease-out), background 160ms var(--ease-out), box-shadow 160ms var(--ease-out), filter 160ms var(--ease-out);
}
.action-btn.primary {
  background: linear-gradient(180deg, #f0a0bb 0%, #d46890 100%);
  color: #fff;
  border: none;
  box-shadow: 0 12px 24px rgba(196, 93, 130, 0.30);
}
.action-btn.primary:hover { filter: brightness(1.03); }
#endPeriodBtn {
  background: linear-gradient(180deg, #ffe7ef 0%, #f6c4d5 100%);
  color: #b04d72;
  border: none;
  box-shadow: 0 10px 20px rgba(226, 138, 168, 0.18);
}
#endPeriodBtn:hover {
  filter: brightness(1.02);
  box-shadow: 0 12px 22px rgba(226, 138, 168, 0.22);
}
#endPeriodBtn:active,
.action-btn.primary:active {
  transform: scale(0.97);
}
.action-btn.danger { color: #c2455b; }
.file-btn { display: grid; place-items: center; }

.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-head h3 { font-size: 1.05rem; }
.month-nav { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 0.92rem; }
.text-btn { color: var(--pink-deep); font-weight: 600; }

.calendar { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.calendar.large { gap: 8px; }
.dow { text-align: center; color: var(--text-secondary); font-size: 0.75rem; padding-bottom: 4px; }
.day {
  aspect-ratio: 1; border-radius: 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative;
  gap: 1px; padding: 3px 1px 4px;
  color: var(--text); background: color-mix(in srgb, var(--bg-solid) 55%, transparent);
  border: 1px solid transparent; transition: transform 100ms var(--ease-out), background 160ms var(--ease-out);
}
.day:disabled { opacity: 0; pointer-events: none; }
.day span.day-num, .day > span:not(.day-label):not(.holiday-badge) { position: relative; z-index: 1; font-size: 0.9rem; font-weight: 600; }
.day.is-today { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--pink-deep) 70%, white); }
.day.is-period { background: color-mix(in srgb, var(--pink) 28%, var(--bg-solid)); color: var(--text); font-weight: 700; }
.day.is-predict { background: color-mix(in srgb, var(--predict) 30%, var(--bg-solid)); color: var(--text); font-weight: 700; }
.day.is-fertile { background: color-mix(in srgb, var(--fertile) 32%, var(--bg-solid)); color: color-mix(in srgb, #0d47a1 70%, var(--text)); font-weight: 700; }
.day.has-note::after {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--pink-deep);
  position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
}
.day.is-selected {
  outline: none;
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--pink-deep) 55%, transparent);
  background: color-mix(in srgb, var(--rose) 28%, transparent);
}

.legend { display: flex; flex-wrap: wrap; gap: 12px 14px; margin-top: 14px; color: var(--text-secondary); font-size: 0.82rem; }
.legend .dot, .legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: middle; }
.dot.period { background: var(--pink); }
.dot.predict { background: var(--predict); }
.dot.fertile { background: #7fb4de; }
.dot.today { background: var(--pink-deep); box-shadow: inset 0 0 0 1px white; }
.dot.note { background: var(--pink-deep); }
.dot.holiday { background: #e0a85c; }

.history-list, .trend-list, .day-detail { display: grid; gap: 10px; }
.history-item, .trend-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--bg-solid) 72%, transparent);
  border: 1px solid var(--line);
  text-align: left;
  width: 100%;
}
.history-item > div,
.trend-item > div {
  min-width: 0;
  display: grid;
  gap: 2px;
  text-align: left;
  justify-items: start;
}
.history-item strong,
.trend-item strong {
  display: block;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}
.history-item span,
.trend-item span {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.35;
  text-align: left;
}
.history-item > span:last-child,
.history-item .history-edit,
.trend-item > span:last-child {
  color: var(--pink-deep);
  font-size: 0.86rem;
  font-weight: 600;
  white-space: nowrap;
  align-self: center;
  justify-self: end;
}
.history-meta {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.empty { color: var(--text-secondary); padding: 8px 0; }

.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.stat-card { border-radius: 18px; padding: 16px; }
.stat-card span { display: block; color: var(--text-secondary); font-size: 0.84rem; margin-bottom: 6px; }
.stat-card strong { font-size: 1.25rem; }
.fineprint { margin-top: 14px; font-size: 0.8rem; }

.field { display: grid; gap: 8px; margin-bottom: 14px; }
.field span { color: var(--text-secondary); font-size: 0.9rem; }
.field input[type="text"], .field input[type="password"], .field input[type="number"], .field input[type="date"], .field textarea {
  width: 100%; min-height: 46px; border-radius: 14px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 80%, transparent); padding: 12px 14px; outline: none;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: color-mix(in srgb, var(--pink) 55%, var(--line)); box-shadow: 0 0 0 4px rgba(226, 138, 168, 0.12); }
.switch-field { grid-template-columns: 1fr auto; align-items: center; }
.switch-field input { width: 20px; height: 20px; accent-color: var(--pink-deep); }
.settings-actions { display: grid; gap: 10px; margin-top: 12px; }
.about-panel p { color: var(--text-secondary); margin-top: 8px; }

.tabbar {
  position: fixed; left: 50%; bottom: 0; transform: translateX(-50%);
  width: min(980px, 100%); padding: 8px 18px calc(8px + var(--safe-bottom));
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border-top: 1px solid var(--line); z-index: 30;
}
.tab {
  min-height: 54px; border-radius: 16px; color: var(--text-secondary);
  display: grid; place-items: center; gap: 2px; font-size: 0.72rem; font-weight: 600;
  transition: transform 100ms var(--ease-out), color 160ms var(--ease-out), background 160ms var(--ease-out);
}
.tab svg { display: block; }
.tab.is-active { color: var(--pink-deep); background: color-mix(in srgb, var(--rose) 55%, transparent); }

.sheet-root { position: fixed; inset: 0; z-index: 50; display: grid; align-items: end; }
.sheet-root[hidden] { display: none; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(28, 16, 22, 0.28); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sheet {
  position: relative; width: min(720px, 100%); margin: 0 auto;
  border-radius: 24px 24px 0 0; background: var(--bg-solid); border: 1px solid var(--line);
  box-shadow: 0 -20px 60px rgba(40, 20, 30, 0.18); padding: 10px 18px calc(18px + var(--safe-bottom));
  transform: translateY(110%); transition: transform 420ms var(--ease-drawer);
}
.sheet-root.is-open .sheet { transform: translateY(0); }
.sheet-handle { width: 42px; height: 5px; border-radius: 999px; background: rgba(120, 100, 110, 0.25); margin: 4px auto 12px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.segmented, .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.segmented button, .chips button {
  min-height: 38px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, white); color: var(--text-secondary); font-weight: 600;
}
.segmented button.is-active, .chips button.is-active {
  background: color-mix(in srgb, var(--rose) 70%, white); color: var(--pink-deep); border-color: transparent;
}
.sheet-actions { display: grid; grid-template-columns: 1fr 1.2fr; gap: 10px; margin-top: 6px; }
#painRange { width: 100%; accent-color: var(--pink-deep); }
#painValue { color: var(--pink-deep); font-style: normal; font-weight: 700; }

.toast {
  position: fixed; left: 50%; bottom: calc(var(--tabbar-h) + var(--safe-bottom) + 18px);
  transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none;
  background: rgba(28, 20, 24, 0.9); color: white; border-radius: 999px; padding: 10px 16px;
  font-size: 0.9rem; z-index: 60; transition: transform 260ms var(--ease-out), opacity 260ms var(--ease-out);
  max-width: min(90vw, 420px); text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
body.dark .toast { background: rgba(250, 240, 244, 0.92); color: #1c1418; }

@media (min-width: 768px) {
  .app-shell { padding-left: 24px; padding-right: 24px; }
  .brand h1 { font-size: 1.35rem; }
  .hero-card h2 { font-size: 1.9rem; }
  .page.is-active { grid-template-columns: 1.15fr 0.85fr; align-items: start; }
  #page-home .hero-card, #page-home .quick-actions { grid-column: 1 / -1; }
  /* Calendar owns its own layout — never use home two-column page grid */
  #page-calendar.is-active {
    display: block;
    width: 100%;
  }
  #page-stats .panel, #page-settings .panel { grid-column: 1 / -1; }
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .settings-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 430px) {
  .quick-actions { grid-template-columns: 1fr; }
  .metric strong { font-size: 0.9rem; }
  .brand h1 { font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  button:active { transform: none; }
}
.topbar-right { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-height: 40px; }
.sync-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 70%, transparent);
  color: var(--text-secondary);
  white-space: nowrap;
  box-sizing: border-box;
  vertical-align: middle;
}
.sync-pill.is-server { color: #2f7d57; background: color-mix(in srgb, #cfe8df 55%, white); border-color: transparent; }
.sync-pill.is-local { color: #8a6a3b; background: color-mix(in srgb, #f3e2c4 55%, white); border-color: transparent; }
.sync-pill.is-saving { color: var(--pink-deep); background: color-mix(in srgb, var(--rose) 60%, white); border-color: transparent; }

.tip-panel .tip-card {
  padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--rose) 35%, white), color-mix(in srgb, var(--bg-solid) 88%, transparent));
}
.tip-phase { color: var(--pink-deep); font-size: 0.82rem; font-weight: 700; margin-bottom: 6px; }
.tip-text { font-size: 0.98rem; line-height: 1.55; }
.care-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.care-chip {
  min-height: 32px; padding: 0 12px; border-radius: 999px; display: inline-grid; place-items: center;
  background: color-mix(in srgb, var(--bg-solid) 78%, transparent); border: 1px solid var(--line);
  color: var(--text-secondary); font-size: 0.82rem; font-weight: 600;
}

.signal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.signal-card {
  border-radius: 16px; padding: 14px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 75%, transparent);
}
.signal-card span { display: block; color: var(--text-secondary); font-size: 0.82rem; margin-bottom: 6px; }
.signal-card strong { font-size: 1.1rem; }

.storage-meta { margin-top: 10px; color: var(--text-secondary); font-size: 0.86rem; }
.chips.wrap { display: flex; flex-wrap: wrap; }
.about-panel code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86em; padding: 1px 6px; border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 70%, white); border: 1px solid var(--line);
}

@media (min-width: 768px) {
  .signal-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #page-home .tip-panel { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .sync-pill { max-width: 86px; overflow: hidden; text-overflow: ellipsis; }
}


/* ===== AI + Apple polish ===== */
.quick-actions { grid-template-columns: 1.15fr 1fr 1fr; }

.ai-fab {
  position: fixed;
  right: max(16px, calc((100vw - min(980px, 100vw)) / 2 + 16px));
  bottom: calc(var(--tabbar-h) + var(--safe-bottom) + 18px);
  z-index: 40;
  width: 58px;
  height: 58px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  gap: 0;
  color: white;
  background: linear-gradient(160deg, #ef9bb5 0%, #c45d82 58%, #8f6bc7 120%);
  box-shadow: 0 14px 28px rgba(180, 80, 120, 0.28), inset 0 1px 0 rgba(255,255,255,0.35);
  border: none;
  outline: none;
  transition: transform 140ms var(--ease-out), box-shadow 180ms var(--ease-out), filter 180ms var(--ease-out);
  overflow: hidden;
}
.ai-fab:active { transform: scale(0.96); }
.ai-fab-glow {
  position: absolute; inset: -20%;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,0.35), transparent 42%);
  pointer-events: none;
}
.ai-fab-icon { position: relative; z-index: 1; display: grid; place-items: center; }
.ai-fab-label {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
}
.ai-fab.is-ready { filter: saturate(1.05); }
.ai-fab:not(.is-ready) { opacity: 0.9; }

.ai-root {
  position: fixed; inset: 0; z-index: 70; display: grid; align-items: end;
}
.ai-root[hidden] { display: none; }
.ai-backdrop {
  position: absolute; inset: 0;
  background: rgba(24, 14, 20, 0.34);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  opacity: 0; transition: opacity 280ms var(--ease-out);
}
.ai-root.is-open .ai-backdrop { opacity: 1; }
.ai-sheet {
  position: relative;
  width: min(720px, 100%);
  margin: 0 auto;
  max-height: min(88svh, 820px);
  border-radius: 28px 28px 0 0;
  background: color-mix(in srgb, var(--bg-solid) 92%, white);
  border: 1px solid var(--line);
  box-shadow: 0 -24px 70px rgba(40, 20, 30, 0.22);
  padding: 8px 16px calc(14px + var(--safe-bottom));
  display: grid;
  grid-template-rows: auto auto auto auto minmax(180px, 1fr) auto;
  gap: 10px;
  transform: translateY(110%);
  transition: transform 460ms var(--ease-drawer);
}
.ai-root.is-open .ai-sheet { transform: translateY(0); }
.ai-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.ai-kicker {
  color: #7a65b0; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.ai-head h3 { font-size: 1.12rem; line-height: 1.25; margin-top: 2px; }
.ai-head-actions { display: flex; gap: 8px; }
.ai-sub { color: var(--text-secondary); font-size: 0.86rem; margin-top: -2px; }
.ai-suggestions { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
.ai-suggestions::-webkit-scrollbar { display: none; }
.ai-suggestions button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 80%, transparent);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}
.ai-suggestions button:active { transform: scale(0.97); }

.ai-messages {
  min-height: 180px;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 4px 2px 8px;
  -webkit-overflow-scrolling: touch;
}
.ai-empty {
  border-radius: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--lavender) 28%, white), color-mix(in srgb, var(--rose) 18%, white));
}
.ai-empty strong { display: block; margin-bottom: 6px; }
.ai-empty p { color: var(--text-secondary); font-size: 0.92rem; }
.ai-msg { display: grid; gap: 6px; max-width: 92%; }
.ai-msg.is-user { justify-self: end; }
.ai-msg.is-assistant { justify-self: start; }
.ai-msg-role { font-size: 0.72rem; font-weight: 700; color: var(--text-secondary); padding: 0 4px; }
.ai-msg.is-user .ai-msg-role { text-align: right; }
.ai-bubble {
  border-radius: 18px;
  padding: 12px 14px;
  line-height: 1.55;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 88%, transparent);
  box-shadow: 0 6px 18px rgba(80, 40, 60, 0.05);
}
.ai-msg.is-user .ai-bubble {
  background: linear-gradient(180deg, #f0a8c0, #d9789c);
  color: white;
  border-color: transparent;
  border-bottom-right-radius: 8px;
}
.ai-msg.is-assistant .ai-bubble {
  background: color-mix(in srgb, var(--bg-solid) 92%, white);
  border-bottom-left-radius: 8px;
}
.ai-msg.is-typing .ai-bubble { color: var(--text-secondary); font-style: italic; }
.ai-msg.is-streaming .ai-bubble {
  white-space: pre-wrap;
  word-break: break-word;
}
.ai-msg.is-streaming .ai-bubble::after {
  content: "▍
  display: inline-block;
  margin-left: 2px;
  width: 0.55em;
  color: var(--pink-deep);
  animation: streamCaret 1s steps(1, end) infinite;
}
@keyframes streamCaret {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.ai-composer {
  display: grid;
  grid-template-columns: 1fr 46px;
  gap: 10px;
  align-items: end;
  padding-top: 4px;
}
.ai-composer textarea {
  width: 100%;
  min-height: 46px;
  max-height: 120px;
  resize: none;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 88%, transparent);
  padding: 12px 14px;
  outline: none;
  line-height: 1.4;
}
.ai-composer textarea:focus {
  border-color: color-mix(in srgb, var(--pink) 55%, var(--line));
  box-shadow: 0 0 0 4px rgba(226, 138, 168, 0.12);
}
.ai-send {
  width: 46px; height: 46px; border-radius: 16px;
  display: grid; place-items: center;
  color: white;
  background: linear-gradient(180deg, #ef9bb5, var(--pink-deep));
  box-shadow: 0 10px 20px rgba(196, 93, 130, 0.25);
}
.ai-send:disabled { opacity: 0.55; }

/* tighter Apple press + glass polish */
.surface, .hero-card, .panel {
  box-shadow: 0 8px 24px rgba(80, 40, 60, 0.06);
}
.hero-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--rose) 22%, transparent), transparent 48%),
    var(--bg-elevated);
}
.tab.is-active {
  background: color-mix(in srgb, var(--rose) 42%, transparent);
}
.day:not(:disabled):active { transform: scale(0.96); }

@media (min-width: 768px) {
  .quick-actions { grid-template-columns: 1.15fr 1fr 1fr; }
  .ai-sheet {
    width: min(560px, calc(100% - 48px));
    margin: 0 24px 24px auto;
    border-radius: 24px;
    max-height: min(80svh, 760px);
    box-shadow: 0 30px 80px rgba(40, 20, 30, 0.22);
  }
  .ai-root { align-items: end; }
}

@media (max-width: 430px) {
  .quick-actions { grid-template-columns: 1fr 1fr; }
  .ai-fab { width: 54px; height: 54px; border-radius: 18px; }
}


/* Date + weather near hero title */
.hero-copy {
  min-width: 0;
  flex: 1 1 auto;
}

.date-weather {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 4px;
}

.date-weather .eyebrow {
  margin-bottom: 0;
}

.weather-inline {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 24px;
  padding: 2px 0;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 0;
  box-shadow: none;
  transition: opacity 140ms var(--ease-out), transform 120ms var(--ease-out);
}

.weather-inline:hover {
  opacity: 0.82;
}

.weather-inline:active {
  transform: scale(0.98);
}

.weather-emoji {
  font-size: 0.92rem;
  line-height: 1;
  width: 1em;
  text-align: center;
  flex: 0 0 auto;
}

.weather-temp {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.weather-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.weather-care {
  margin: 0 0 10px;
  max-width: 34rem;
  color: color-mix(in srgb, var(--pink-deep) 78%, var(--text-secondary));
  font-size: 0.82rem;
  line-height: 1.45;
  letter-spacing: 0;
}

.hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
  flex: 0 0 auto;
}

@media (max-width: 430px) {
  .date-weather {
    gap: 6px 8px;
  }
  .weather-care {
    font-size: 0.8rem;
    margin-bottom: 8px;
  }
}

.search-toggle-btn svg { opacity: 0.45; transition: opacity 0.2s; }
.search-toggle-btn.is-active svg { opacity: 1; }
.search-toggle-btn.is-active { border-color: currentColor; }

.ai-search-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 28px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  margin: 0 0 4px 0; width: fit-content;
  transition: all 0.15s;
}
.ai-search-pill:hover { border-color: var(--pink-deep); color: var(--pink-deep); }
.ai-search-pill input[type="checkbox"] { display: none; }
.ai-search-pill svg {
  opacity: 0.4; width: 14px; height: 14px;
  transition: opacity 0.15s; flex-shrink: 0;
}
.ai-search-pill:has(input:checked) {
  color: #c6336b;
  background: #fce4ec;
  border-color: #e91e63;
}
.ai-search-pill:has(input:checked) svg {
  opacity: 1; color: #e91e63;
}


.ai-input.keydown { opacity: 1; }

.visibilitychange { opacity: 1; }


.day span.day-num {
  position: relative;
  z-index: 1;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.1;
}
.day .day-label {
  max-width: 100%;
  padding: 0 1px;
  color: var(--pink-deep);
  font-size: 0.52rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.day.is-term .day-label {
  color: #4f8f78;
}
.day.is-holiday .day-label {
  color: #c2456b;
}
.day.is-period .day-label,
.day.is-predict .day-label {
  color: inherit;
  opacity: 0.9;
}
.day.is-holiday {
  position: relative;
}
.holiday-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  font-size: 0.52rem;
  line-height: 1;
  pointer-events: none;
}

.theme-toggle {
  position: relative;
  color: var(--text-secondary);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  inset: 0;
  margin: auto;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}
body:not(.dark) .theme-toggle .icon-sun { opacity: 1; transform: scale(1); }
body:not(.dark) .theme-toggle .icon-moon { opacity: 0; transform: scale(0.7); }
body.dark .theme-toggle .icon-sun { opacity: 0; transform: scale(0.7); }
body.dark .theme-toggle .icon-moon { opacity: 1; transform: scale(1); }

.brand h1 {
  font-size: clamp(0.98rem, 2.6vw, 1.12rem);
  max-width: min(58vw, 16rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* force no hard borders on hero actions + AI fab */
.action-btn.primary,
#startPeriodBtn,
#endPeriodBtn,
.ai-fab {
  border: none !important;
  outline: none;
}


/* ===== Phone calendar app layout ===== */
#page-calendar {
  gap: 12px;
  width: 100%;
  min-width: 0;
}
.phone-cal {
  border-radius: 24px;
  padding: 14px 12px 12px;
  overflow: hidden;
}
.phone-cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding: 0 4px;
}
.phone-cal-titlewrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.phone-cal-title {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  white-space: nowrap;
}
.phone-cal-today {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--rose) 42%, var(--bg-solid));
  color: var(--pink-deep);
  font-size: 0.86rem;
}
.phone-cal-nav { gap: 6px; }
.phone-calendar {
  gap: 4px;
}
.phone-calendar .dow {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 0 8px;
}
.phone-calendar .day {
  min-height: 52px;
  border-radius: 16px;
  gap: 2px;
  padding: 6px 2px 5px;
  background: transparent;
  border: 0;
}
.phone-calendar .day:disabled {
  opacity: 0;
}
.phone-calendar .day .day-num {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 650;
}
.phone-calendar .day.is-today .day-num {
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--pink-deep) 75%, white);
}
.phone-calendar .day.is-selected .day-num {
  background: transparent;
  color: inherit;
  box-shadow: none;
}
.phone-calendar .day.is-period {
  background: color-mix(in srgb, var(--pink) 18%, transparent);
}
.phone-calendar .day.is-predict {
  background: color-mix(in srgb, var(--predict) 18%, transparent);
}
.phone-calendar .day.is-fertile {
  background: color-mix(in srgb, var(--fertile) 20%, transparent);
  color: inherit;
}
.phone-calendar .day.is-selected {
  outline: none;
  background: color-mix(in srgb, var(--rose) 34%, transparent);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--pink-deep) 55%, transparent);
}
.phone-calendar .day .day-label {
  font-size: 0.5rem;
  max-width: 96%;
}
.phone-calendar .day.has-note::after {
  bottom: 4px;
}
.phone-cal-legend {
  margin-top: 10px;
  padding: 8px 4px 2px;
  border-top: 1px solid var(--line);
}
.phone-day-card {
  border-radius: 22px;
}
.phone-day-kicker {
  color: var(--text-secondary);
  font-size: 0.78rem;
  margin-bottom: 2px;
}
.phone-day-edit {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 0.9rem;
}
.day-detail {
  display: grid;
  gap: 8px;
}
.day-detail p {
  padding: 10px 12px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-solid) 70%, transparent);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.92rem;
}
.day-detail p.muted {
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  padding: 0;
}

/* Dark mode adaptation fixes */
body.dark {
  --bg: #120f12;
  --bg-elevated: rgba(38, 30, 34, 0.86);
  --bg-solid: #241c21;
  --text: #f7eef2;
  --text-secondary: #b9a8b1;
  --line: rgba(255, 255, 255, 0.10);
  --rose: #5a3344;
  --lavender: #3d3558;
  --mint: #2c4a42;
  --predict: #8a5a6d;
  --fertile: #4d6d86;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.42);
}
body.dark {
  background:
    radial-gradient(circle at top left, rgba(120, 60, 85, 0.28), transparent 30%),
    radial-gradient(circle at top right, rgba(80, 70, 120, 0.22), transparent 26%),
    var(--bg);
}
body.dark .action-btn {
  background: color-mix(in srgb, var(--bg-solid) 88%, #000);
}
body.dark .action-btn.primary {
  color: #fff;
}
body.dark #endPeriodBtn {
  background: linear-gradient(180deg, #6a3a4d 0%, #8a4d66 100%);
  color: #ffe7ef;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
}
body.dark .history-item,
body.dark .trend-item,
body.dark .metric,
body.dark .stat-card,
body.dark .day-detail p {
  background: color-mix(in srgb, var(--bg-solid) 92%, #000);
}
body.dark .field input[type="text"],
body.dark .field input[type="password"],
body.dark .field input[type="number"],
body.dark .field input[type="date"],
body.dark .field textarea,
body.dark .ai-composer textarea {
  background: color-mix(in srgb, var(--bg-solid) 94%, #000);
  color: var(--text);
}
body.dark .day.is-fertile { color: #cfe6f8; }
body.dark .phone-calendar .day.is-selected .day-num { color: inherit; background: transparent; box-shadow: none; }
body.dark .sync-pill.is-server {
  color: #8fd6b0;
  background: color-mix(in srgb, #1f3d32 80%, var(--bg-solid));
}
body.dark .sync-pill.is-local {
  color: #e2c089;
  background: color-mix(in srgb, #3d3220 80%, var(--bg-solid));
}
body.dark .sync-pill.is-saving {
  color: #f0b4c7;
  background: color-mix(in srgb, #4a2a38 80%, var(--bg-solid));
}
body.dark .ai-search-pill:has(input:checked) {
  color: #ffb3c9;
  background: color-mix(in srgb, #5a2438 85%, var(--bg-solid));
  border-color: #c45d82;
}
body.dark .ai-suggestions button {
  background: color-mix(in srgb, var(--bg-solid) 90%, #000);
}
body.dark .topbar {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
}
body.dark .tabbar {
  background: color-mix(in srgb, var(--bg-solid) 88%, transparent);
}
body.dark .phone-cal-today {
  background: color-mix(in srgb, var(--rose) 55%, var(--bg-solid));
  color: #ffc2d4;
}
body.dark .holiday-badge { filter: saturate(0.95); }


.phone-cal-title-block { min-width: 0; }
.phone-cal-sub {
  color: var(--text-secondary);
  font-size: 0.78rem;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.phone-cal-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0 2px 12px;
}
.phone-stat {
  border-radius: 14px;
  padding: 10px 8px;
  background: color-mix(in srgb, var(--bg-solid) 72%, transparent);
  border: 1px solid var(--line);
  text-align: center;
}
.phone-stat span {
  display: block;
  color: var(--text-secondary);
  font-size: 0.72rem;
  margin-bottom: 2px;
}
.phone-stat strong {
  font-size: 0.95rem;
  font-weight: 700;
}
.phone-calendar .dow.is-weekend {
  color: color-mix(in srgb, var(--pink-deep) 70%, var(--text-secondary));
}
.phone-calendar .day.is-outside { opacity: 0.42; }
.phone-calendar .day.is-weekend .day-num {
  color: color-mix(in srgb, var(--pink-deep) 55%, var(--text));
}
.phone-calendar .day { min-height: 58px; }
.phone-calendar .day-dots {
  display: flex;
  gap: 3px;
  justify-content: center;
  min-height: 6px;
  margin-top: 1px;
}
.phone-calendar .day-dots .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  display: inline-block;
}
.phone-calendar .day.has-note::after { display: none; }
.phone-day-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}
.phone-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--bg-solid) 78%, transparent);
  border: 1px solid var(--line);
}
.phone-chip.chip-today { color: var(--pink-deep); background: color-mix(in srgb, var(--rose) 45%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-period { color: #b03b63; background: color-mix(in srgb, var(--pink) 24%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-predict { color: #b0607a; background: color-mix(in srgb, var(--predict) 28%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-fertile { color: #2f6f9e; background: color-mix(in srgb, var(--fertile) 30%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-holiday { color: #9a6a20; background: color-mix(in srgb, #f0d7a4 40%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-term { color: #3f7d65; background: color-mix(in srgb, var(--mint) 40%, var(--bg-solid)); border-color: transparent; }
.phone-chip.chip-note { color: var(--pink-deep); background: color-mix(in srgb, var(--rose) 35%, var(--bg-solid)); border-color: transparent; }
.phone-day-actions {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.phone-day-actions .action-btn {
  min-height: 42px;
  font-size: 0.88rem;
  padding: 0 8px;
  border: none;
}
#calStartBtn {
  background: linear-gradient(180deg, #f0a0bb 0%, #d46890 100%);
  color: #fff;
}
#calEndBtn {
  background: linear-gradient(180deg, #ffe7ef 0%, #f6c4d5 100%);
  color: #b04d72;
}
.phone-agenda-card { border-radius: 22px; }
.phone-agenda-count {
  color: var(--text-secondary);
  font-size: 0.84rem;
}
.phone-agenda-list { display: grid; gap: 8px; }
.phone-agenda-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-solid) 74%, transparent);
}
.phone-agenda-item.is-active {
  border-color: color-mix(in srgb, var(--pink) 45%, var(--line));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pink) 25%, transparent);
}
.phone-agenda-emoji { font-size: 1.05rem; text-align: center; }
.phone-agenda-main { min-width: 0; display: grid; gap: 2px; }
.phone-agenda-main strong {
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.phone-agenda-main span {
  color: var(--text-secondary);
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.phone-agenda-type {
  color: var(--pink-deep);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
body.dark .phone-stat,
body.dark .phone-agenda-item,
body.dark .phone-chip {
  background: color-mix(in srgb, var(--bg-solid) 92%, #000);
}
body.dark .phone-chip.chip-period { color: #ffb0c8; }
body.dark .phone-chip.chip-fertile { color: #b7dcff; }
body.dark .phone-chip.chip-holiday { color: #f0d59a; }
body.dark .phone-chip.chip-term { color: #9fd9c2; }
body.dark #calEndBtn {
  background: linear-gradient(180deg, #6a3a4d 0%, #8a4d66 100%);
  color: #ffe7ef;
}
@media (max-width: 430px) {
  .phone-day-actions { grid-template-columns: 1fr; }
  .phone-cal-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.ai-config {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.ai-config-head {
  margin-bottom: 10px;
}
.ai-config-head h4 {
  font-size: 0.98rem;
  font-weight: 700;
}
.ai-config .field { margin-bottom: 10px; }

/* Agenda list scrollbar (subtle) */
.phone-agenda-list::-webkit-scrollbar { width: 6px; }
.phone-agenda-list::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--pink) 45%, transparent);
  border-radius: 999px;
}
.phone-agenda-list::-webkit-scrollbar-track { background: transparent; }
.ai-config .settings-actions { margin-top: 8px; }
.tabbar { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.settings-gate {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(24, 14, 20, 0.42);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}
.settings-gate[hidden] { display: none !important; }
.settings-gate-card {
  width: min(420px, 100%);
  border-radius: 22px;
  padding: 20px 18px 16px;
  display: grid;
  gap: 10px;
}
.settings-gate-kicker {
  color: var(--pink-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.settings-gate-card h3 {
  font-size: 1.2rem;
  line-height: 1.25;
}
.settings-gate-error {
  color: #c2455b;
  font-size: 0.86rem;
  font-weight: 600;
}
body.dark .settings-gate {
  background: rgba(0, 0, 0, 0.55);
}
body.dark .settings-gate-error { color: #ff8fa3; }


/* ===== Dark mode polish v2 ===== */
body.dark {
  --bg: #100d10;
  --bg-elevated: rgba(36, 28, 33, 0.9);
  --bg-solid: #1f171c;
  --text: #f6eef2;
  --text-secondary: #b7a6af;
  --line: rgba(255, 255, 255, 0.10);
  --pink: #e59bb4;
  --pink-deep: #ef9bb8;
  --rose: #4a2b38;
  --lavender: #3a3358;
  --mint: #27463f;
  --predict: #8d5d70;
  --fertile: #4f6f86;
  --shadow: 0 16px 42px rgba(0, 0, 0, 0.45);
  background:
    radial-gradient(circle at top left, rgba(120, 60, 85, 0.26), transparent 32%),
    radial-gradient(circle at top right, rgba(78, 68, 120, 0.2), transparent 28%),
    var(--bg);
  color: var(--text);
}

body.dark .surface,
body.dark .hero-card,
body.dark .panel,
body.dark .stat-card,
body.dark .metric,
body.dark .history-item,
body.dark .trend-item,
body.dark .phone-stat,
body.dark .phone-agenda-item,
body.dark .phone-chip,
body.dark .day-detail p,
body.dark .settings-gate-card,
body.dark .ai-bubble,
body.dark .ai-empty {
  background: color-mix(in srgb, var(--bg-solid) 94%, #000);
  border-color: var(--line);
  color: var(--text);
}

body.dark .hero-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--rose) 40%, transparent), transparent 52%),
    color-mix(in srgb, var(--bg-solid) 94%, #000);
}

body.dark .topbar {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}
body.dark .tabbar {
  background: color-mix(in srgb, var(--bg-solid) 90%, transparent);
  border-color: var(--line);
}
body.dark .tab.is-active {
  background: color-mix(in srgb, var(--rose) 50%, transparent);
  color: #ffc3d5;
}

body.dark .action-btn {
  background: color-mix(in srgb, var(--bg-solid) 88%, #000);
  color: var(--text);
  border: none;
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
}
body.dark .action-btn.primary,
body.dark #startPeriodBtn,
body.dark #calStartBtn {
  background: linear-gradient(180deg, #d98aa8 0%, #b45a7d 100%);
  color: #fff;
}
body.dark #endPeriodBtn,
body.dark #calEndBtn {
  background: linear-gradient(180deg, #5d3345 0%, #7a4560 100%);
  color: #ffd7e5;
  box-shadow: 0 10px 20px rgba(0,0,0,0.28);
}
body.dark .action-btn.danger { color: #ff8fa3; }

body.dark .field input[type="text"],
body.dark .field input[type="password"],
body.dark .field input[type="number"],
body.dark .field input[type="date"],
body.dark .field textarea,
body.dark .ai-composer textarea {
  background: color-mix(in srgb, #161116 88%, var(--bg-solid));
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
}
body.dark .field input::placeholder,
body.dark .field textarea::placeholder,
body.dark .ai-composer textarea::placeholder {
  color: color-mix(in srgb, var(--text-secondary) 80%, transparent);
}
body.dark .field span { color: var(--text-secondary); }

body.dark .icon-btn,
body.dark .ghost-btn {
  background: color-mix(in srgb, var(--bg-solid) 90%, #000);
  color: var(--text-secondary);
  border-color: rgba(255,255,255,0.10);
}
body.dark .ghost-btn:hover,
body.dark .icon-btn:hover {
  color: #ffc2d4;
  background: color-mix(in srgb, var(--rose) 45%, var(--bg-solid));
}

body.dark .day {
  background: color-mix(in srgb, var(--bg-solid) 55%, transparent);
  color: var(--text);
}
body.dark .phone-calendar .day {
  background: transparent;
}
body.dark .phone-calendar .day.is-selected {
  background: color-mix(in srgb, var(--rose) 42%, transparent);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--pink-deep) 70%, transparent);
}
body.dark .phone-calendar .day.is-period {
  background: color-mix(in srgb, #e28aa8 18%, transparent);
}
body.dark .phone-calendar .day.is-predict {
  background: color-mix(in srgb, #c48aa0 16%, transparent);
}
body.dark .phone-calendar .day.is-fertile {
  background: color-mix(in srgb, #7fb4de 14%, transparent);
  color: #d7ecff;
}
body.dark .day.is-fertile { color: #d7ecff; }
body.dark .day-label { color: #efb0c4; }
body.dark .day.is-term .day-label { color: #9fd9c2; }
body.dark .day.is-holiday .day-label { color: #f0c48a; }
body.dark .phone-calendar .day.is-outside { opacity: 0.34; }

body.dark .legend,
body.dark .muted,
body.dark .fineprint,
body.dark .hero-sub,
body.dark .phone-cal-sub,
body.dark .phone-day-kicker,
body.dark .phone-agenda-count {
  color: var(--text-secondary);
}

body.dark .sync-pill.is-server {
  color: #8fd6b0;
  background: color-mix(in srgb, #1d3a31 85%, var(--bg-solid));
}
body.dark .sync-pill.is-local {
  color: #e2c089;
  background: color-mix(in srgb, #3b311f 85%, var(--bg-solid));
}
body.dark .sync-pill.is-saving {
  color: #f0b4c7;
  background: color-mix(in srgb, #4a2a38 85%, var(--bg-solid));
}

body.dark .segmented button,
body.dark .chips button,
body.dark .ai-suggestions button {
  background: color-mix(in srgb, var(--bg-solid) 88%, #000);
  color: var(--text-secondary);
  border-color: var(--line);
}
body.dark .segmented button.is-active,
body.dark .chips button.is-active {
  background: color-mix(in srgb, var(--rose) 55%, var(--bg-solid));
  color: #ffd0df;
  border-color: transparent;
}

body.dark .ai-sheet,
body.dark .sheet {
  background: color-mix(in srgb, var(--bg-solid) 96%, #000);
  border-color: var(--line);
}
body.dark .ai-msg.is-user .ai-bubble {
  background: linear-gradient(180deg, #d98aa8, #b45a7d);
  color: #fff;
}
body.dark .ai-msg.is-assistant .ai-bubble {
  background: color-mix(in srgb, var(--bg-solid) 92%, #000);
  color: var(--text);
}
body.dark .ai-search-pill {
  background: color-mix(in srgb, var(--bg-solid) 90%, #000);
  color: var(--text-secondary);
}
body.dark .ai-search-pill:has(input:checked) {
  color: #ffb3c9;
  background: color-mix(in srgb, #5a2438 88%, var(--bg-solid));
  border-color: #c45d82;
}

body.dark .phone-chip.chip-today { color: #ffc2d4; background: color-mix(in srgb, var(--rose) 55%, var(--bg-solid)); }
body.dark .phone-chip.chip-period { color: #ffb0c8; background: color-mix(in srgb, #8a3d5c 40%, var(--bg-solid)); }
body.dark .phone-chip.chip-predict { color: #f0b7c8; background: color-mix(in srgb, #6d4454 45%, var(--bg-solid)); }
body.dark .phone-chip.chip-fertile { color: #b7dcff; background: color-mix(in srgb, #2f4d66 50%, var(--bg-solid)); }
body.dark .phone-chip.chip-holiday { color: #f0d59a; background: color-mix(in srgb, #5a4520 50%, var(--bg-solid)); }
body.dark .phone-chip.chip-term { color: #9fd9c2; background: color-mix(in srgb, #27463f 55%, var(--bg-solid)); }
body.dark .phone-chip.chip-note { color: #ffc2d4; background: color-mix(in srgb, var(--rose) 50%, var(--bg-solid)); }

body.dark .phone-cal-today {
  background: color-mix(in srgb, var(--rose) 55%, var(--bg-solid));
  color: #ffc2d4;
}
body.dark .settings-gate {
  background: rgba(0, 0, 0, 0.62);
}
body.dark .settings-gate-error { color: #ff8fa3; }
body.dark .toast {
  background: rgba(250, 240, 244, 0.94);
  color: #1c1418;
}
body.dark .status-orb {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12), 0 10px 24px rgba(0,0,0,0.35);
}
body.dark .metric strong,
body.dark .stat-card strong,
body.dark .phone-stat strong,
body.dark .brand h1,
body.dark .phone-cal-title,
body.dark #selectedDayTitle {
  color: var(--text);
}


/* ===== Calendar desktop layout (full) ===== */
#page-calendar {
  width: 100%;
  min-width: 0;
}
.cal-desktop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  width: 100%;
  min-width: 0;
}
.cal-main-panel,
.cal-side-stack {
  min-width: 0;
  width: 100%;
}
.cal-side-stack {
  display: grid;
  gap: 12px;
  align-content: start;
}
.phone-day-card .panel-head {
  align-items: flex-start;
  gap: 10px;
}
.phone-day-card .panel-head h3 {
  font-size: 1.05rem;
  line-height: 1.3;
  word-break: break-word;
}
.phone-agenda-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.phone-agenda-list {
  max-height: none;
  overflow: visible;
}

/* Tablet: still stacked */
@media (min-width: 768px) and (max-width: 899px) {
  .cal-desktop-layout { gap: 14px; }
  .phone-calendar .day { min-height: 60px; }
  .phone-agenda-list {
    max-height: min(42vh, 360px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 2px;
  }
}

/* Desktop: left calendar / right day detail + agenda */
@media (min-width: 900px) {
  .app-shell:has(#page-calendar.is-active) {
    width: min(1120px, 100%);
  }
  .cal-desktop-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.9fr);
    align-items: start;
    gap: 16px;
  }
  .cal-main-panel {
    position: relative;
    top: auto;
  }
  /* side stack sticks; container itself does not scroll */
  .cal-side-stack {
    position: sticky;
    top: 78px;
    max-height: calc(100svh - 96px - var(--tabbar-h, 72px));
    overflow: hidden;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 12px;
  }
  .phone-day-card {
    margin: 0;
  }
  /* only 本月日程 list scrolls */
  .phone-agenda-card {
    margin: 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .phone-agenda-card .panel-head {
    flex: 0 0 auto;
    margin-bottom: 10px;
  }
  .phone-agenda-list {
    flex: 1 1 auto;
    min-height: 120px;
    max-height: min(48vh, 460px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 4px;
    scrollbar-gutter: stable;
  }
  .phone-calendar .day {
    min-height: 62px;
  }
  .phone-day-actions {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 1100px) {
  .cal-desktop-layout {
    grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.82fr);
    gap: 18px;
  }
  .phone-calendar .day { min-height: 68px; }
  .phone-day-actions {
    grid-template-columns: 1.1fr 1fr 1fr;
  }
  .phone-agenda-list {
    max-height: min(52vh, 520px);
  }
}
@media (min-width: 1280px) {
  .app-shell:has(#page-calendar.is-active) {
    width: min(1180px, 100%);
  }
}
.ai-config .settings-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 8px;
}
.ai-config .action-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}
@media (max-width: 430px) {
  .ai-config .settings-actions { grid-template-columns: 1fr; }
}