:root {
  --bg: #fbfafb;
  --surface: #ffffff;
  --surface-soft: #fff5f8;
  --surface-lav: #f7f3fb;
  --surface-mint: #eef9f4;
  --surface-blue: #eef6fc;
  --ink: #302c31;
  --muted: #716a73;
  --faint: #918892;
  --line: #eadfe5;
  --accent: #d94771;
  --accent-strong: #b82f58;
  --lav: #7956a8;
  --mint: #287f5d;
  --blue: #326d9d;
  --warning: #8c5b0d;
  --danger: #b4253e;
  --shadow: 0 12px 34px rgba(62, 45, 54, 0.09);
  --nav-height: 68px;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
[hidden] { display: none !important; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 999; padding: 9px 12px; background: var(--ink); color: #fff; border-radius: 6px; }
.skip-link:focus { top: 12px; }

.entry {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 18px;
  background: linear-gradient(180deg, #fff 0 46%, #f8f2f5 46% 100%);
}
.entry-panel {
  width: min(560px, 100%);
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.brand-lockup { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-lockup img { flex: 0 0 auto; }
.brand-lockup h1 { margin: 0; font-size: 28px; letter-spacing: 0; color: var(--accent-strong); }
.brand-lockup p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.entry-form { display: grid; gap: 18px; }
fieldset { border: 0; margin: 0; padding: 0; }
legend { margin-bottom: 10px; font-size: 13px; font-weight: 800; }
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.role-option {
  min-height: 132px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.role-option:hover { border-color: #dda7b8; background: #fffbfc; }
.role-option.selected { border: 2px solid var(--accent); background: var(--surface-soft); padding: 17px; }
.role-option strong { font-size: 15px; }
.role-option small { color: var(--muted); font-size: 11px; }
.role-icon { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #fbdce6; color: var(--accent-strong); font-size: 12px; font-weight: 900; }
.role-icon.partner { background: #ebe2f5; color: var(--lav); }
.privacy-box { padding: 14px; border-left: 4px solid var(--mint); background: var(--surface-mint); }
.privacy-box strong { font-size: 13px; }
.privacy-box p { margin: 5px 0 12px; font-size: 12px; color: #356d58; }
.check-row { display: flex; gap: 8px; align-items: flex-start; font-size: 12px; color: var(--ink); cursor: pointer; }
.check-row input { margin-top: 3px; accent-color: var(--accent); }
.field { display: grid; gap: 6px; }
.field > span, .field-label { color: var(--muted); font-size: 12px; font-weight: 700; }
.field input, .field select, .field textarea,
.inline-field input, .inline-field select {
  width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid #d8cdd3; border-radius: 6px; background: #fff; color: var(--ink);
}
.field textarea { min-height: 88px; resize: vertical; }
.form-note { margin: -8px 0 0; color: var(--faint); font-size: 11px; }
.primary-button, .secondary-button, .danger-button, .text-button {
  min-height: 42px; border-radius: 6px; border: 1px solid transparent; padding: 9px 15px; font-weight: 800; font-size: 13px; cursor: pointer;
}
.primary-button { background: var(--accent); color: #fff; }
.primary-button:hover { background: var(--accent-strong); }
.secondary-button { background: #fff; border-color: var(--line); color: var(--ink); }
.secondary-button:hover { background: #f7f4f6; }
.danger-button { background: #fff; border-color: #efb8c3; color: var(--danger); }
.text-button { min-height: 32px; padding: 4px 6px; background: transparent; color: var(--accent-strong); }
.text-button.danger { color: var(--danger); }
.full { width: 100%; }
.lock-status { display: flex; align-items: center; gap: 12px; padding: 14px; background: var(--surface-lav); }
.lock-status .status-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: #e6d9f2; color: var(--lav); font-size: 11px; font-weight: 900; }
.lock-status div { display: grid; }
.lock-status small { color: var(--muted); }

.app-shell { min-height: 100vh; }
.app-header {
  position: sticky; top: 0; z-index: 50; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 24px;
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(14px);
}
.app-brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.app-brand > span { display: grid; }
.app-brand strong { color: var(--accent-strong); letter-spacing: 0; }
.app-brand small { color: var(--muted); font-size: 10px; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 6px; background: #fff; cursor: pointer; font-weight: 800; }
.icon-button:hover { background: var(--surface-soft); color: var(--accent-strong); }
.connection-state { display: inline-flex; align-items: center; gap: 7px; margin-right: 4px; font-size: 11px; color: var(--muted); }
.connection-state i { width: 7px; height: 7px; border-radius: 50%; background: #8c9390; }
.connection-state.online i { background: #2e9f72; box-shadow: 0 0 0 3px #d9f1e8; }

.app-layout { width: min(1220px, 100%); margin: 0 auto; display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 34px; padding: 30px 24px 64px; }
.side-nav { position: sticky; top: 94px; align-self: start; display: grid; gap: 4px; }
.side-nav button { min-height: 46px; display: grid; grid-template-columns: 28px 1fr; align-items: center; gap: 8px; padding: 0 12px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; }
.side-nav button span { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 6px; background: #f2edf0; font-size: 11px; font-style: normal; font-weight: 900; }
.side-nav button em { font-style: normal; font-size: 13px; font-weight: 700; }
.side-nav button:hover { background: #f7f3f5; color: var(--ink); }
.side-nav button.active { background: var(--surface-soft); color: var(--accent-strong); }
.side-nav button.active span { background: #f6d9e2; }
.main-content { min-width: 0; }
.view-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.view-header h1 { margin: 0; font-size: 24px; letter-spacing: 0; }
.view-header p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.view-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.eyebrow { margin: 0 0 3px; color: var(--accent-strong); font-size: 10px; font-weight: 900; text-transform: uppercase; }

.status-band { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(220px,.7fr); gap: 20px; margin-bottom: 22px; padding: 24px; background: #7c4fa4; color: #fff; border-radius: 8px; overflow: hidden; }
.status-band.period { background: #bd3d64; }
.status-band.partner { background: #356b91; }
.status-band h2 { margin: 2px 0 6px; font-size: 28px; letter-spacing: 0; }
.status-band p { margin: 0; color: rgba(255,255,255,.86); font-size: 12px; }
.status-band .status-side { display: grid; align-content: center; justify-items: end; gap: 4px; text-align: right; }
.status-band .status-side strong { font-size: 22px; }
.status-band .status-side span { color: rgba(255,255,255,.8); font-size: 11px; }
.confidence { display: inline-flex; margin-top: 12px; padding: 4px 9px; border-radius: 999px; background: rgba(255,255,255,.16); font-size: 10px; font-weight: 800; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-bottom: 22px; }
.metric { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.metric strong { display: block; font-size: 22px; line-height: 1.2; }
.metric span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.metric.pink strong { color: var(--accent-strong); }
.metric.lav strong { color: var(--lav); }
.metric.mint strong { color: var(--mint); }
.metric.blue strong { color: var(--blue); }

.section { margin-top: 26px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.section-heading h2 { margin: 0; font-size: 15px; }
.section-heading small { color: var(--muted); }
.quick-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.quick-action { min-height: 96px; display: grid; align-content: center; justify-items: start; gap: 4px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; text-align: left; }
.quick-action:hover { border-color: #cdb9c3; box-shadow: 0 6px 18px rgba(62,45,54,.06); }
.quick-action b { font-size: 13px; }
.quick-action small { color: var(--muted); font-size: 10px; }
.quick-action .qa-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 6px; background: var(--surface-soft); color: var(--accent-strong); font-size: 11px; font-weight: 900; }
.quick-action:nth-child(2) .qa-icon { background: var(--surface-lav); color: var(--lav); }
.quick-action:nth-child(3) .qa-icon { background: var(--surface-mint); color: var(--mint); }
.quick-action:nth-child(4) .qa-icon { background: var(--surface-blue); color: var(--blue); }

.panel { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.panel + .panel { margin-top: 12px; }
.panel h2, .panel h3 { margin: 0; font-size: 14px; }
.panel p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.split-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.timeline, .record-list, .reminder-list, .setting-list { display: grid; }
.timeline-item, .record-item, .reminder-item, .setting-row { min-height: 56px; display: grid; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.timeline-item:last-child, .record-item:last-child, .reminder-item:last-child, .setting-row:last-child { border-bottom: 0; }
.timeline-item { grid-template-columns: 64px 1fr auto; }
.record-item { grid-template-columns: minmax(0,1fr) auto; }
.reminder-item { grid-template-columns: 1fr auto; }
.setting-row { grid-template-columns: minmax(0,1fr) auto; }
.timeline-item time { color: var(--muted); font-size: 11px; }
.timeline-item strong, .record-item strong, .reminder-item strong, .setting-row strong { display: block; font-size: 12px; }
.timeline-item small, .record-item small, .reminder-item small, .setting-row small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }
.tag { display: inline-flex; width: max-content; padding: 3px 8px; border-radius: 999px; background: var(--surface-soft); color: var(--accent-strong); font-size: 10px; font-weight: 800; white-space: nowrap; }
.tag.mint { background: var(--surface-mint); color: var(--mint); }
.tag.lav { background: var(--surface-lav); color: var(--lav); }
.tag.blue { background: var(--surface-blue); color: var(--blue); }
.tag.gray { background: #f0edef; color: var(--muted); }
.empty-state { padding: 44px 18px; border: 1px dashed #d7cad1; border-radius: 8px; text-align: center; color: var(--muted); }
.empty-state strong { display: block; color: var(--ink); }
.empty-state p { margin: 5px auto 14px; max-width: 420px; font-size: 12px; }

.calendar-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.calendar-toolbar h2 { margin: 0; font-size: 17px; }
.segmented { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 7px; background: #f6f3f5; }
.segmented button { min-height: 32px; padding: 4px 10px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 700; cursor: pointer; }
.segmented button.active { background: #fff; color: var(--accent-strong); box-shadow: 0 1px 5px rgba(0,0,0,.06); }
.calendar-shell { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.calendar-week, .calendar-grid { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); }
.calendar-week span { padding: 8px 0; text-align: center; color: var(--muted); font-size: 10px; font-weight: 700; }
.calendar-day { aspect-ratio: 1/1; min-width: 0; display: grid; place-items: center; border: 0; background: transparent; position: relative; cursor: pointer; }
.calendar-day > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; font-size: 12px; }
.calendar-day.muted { color: #b4adb5; }
.calendar-day.today > span { box-shadow: inset 0 0 0 2px var(--ink); }
.calendar-day.period > span { background: #e75680; color: #fff; }
.calendar-day.predicted > span { box-shadow: inset 0 0 0 2px #e17e9b; color: var(--accent-strong); }
.calendar-day.fertile > span { background: #d9f1e7; color: var(--mint); }
.calendar-day.reminded::after { content: ""; position: absolute; bottom: 6px; width: 4px; height: 4px; border-radius: 50%; background: var(--blue); }
.legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 14px; color: var(--muted); font-size: 10px; }
.legend i { width: 8px; height: 8px; display: inline-block; margin-right: 5px; border-radius: 50%; background: var(--accent); }
.legend .prediction i { background: #fff; border: 1px solid var(--accent); }
.legend .fertility i { background: #8ecfac; }
.legend .reminder i { background: var(--blue); }

.chart { height: 180px; display: flex; align-items: end; gap: 12px; padding: 28px 4px 0; }
.chart-column { flex: 1; min-width: 0; display: grid; justify-items: center; gap: 6px; color: var(--muted); font-size: 9px; }
.chart-bar { width: min(40px,75%); min-height: 8px; border-radius: 4px 4px 0 0; background: #e17a99; position: relative; }
.chart-bar b { position: absolute; top: -20px; left: 50%; transform: translateX(-50%); color: var(--ink); font-size: 10px; }
.report-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.report-table th, .report-table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.report-table th { color: var(--muted); font-size: 10px; }

.notice { padding: 12px 14px; border-left: 4px solid var(--blue); background: var(--surface-blue); color: #345f82; font-size: 11px; }
.notice.warning { border-color: #bf8426; background: #fff8ea; color: var(--warning); }
.notice.danger { border-color: var(--danger); background: #fff2f4; color: var(--danger); }
.notice + .panel { margin-top: 14px; }
.code-display { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px; border: 1px dashed #d9a8b7; background: var(--surface-soft); }
.code-display strong { font: 800 28px/1 ui-monospace, monospace; letter-spacing: 5px; color: var(--accent-strong); }
.code-display small { display: block; margin-top: 6px; color: var(--muted); }
.choice-list { display: grid; gap: 8px; margin-top: 10px; }
.choice { display: grid; grid-template-columns: auto 1fr; gap: 9px; padding: 12px; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
.choice:has(input:checked) { border-color: #d98ba2; background: var(--surface-soft); }
.choice input { margin-top: 3px; accent-color: var(--accent); }
.choice strong { display: block; font-size: 12px; }
.choice small { display: block; color: var(--muted); font-size: 10px; }
.switch { position: relative; width: 40px; height: 24px; border: 0; border-radius: 999px; background: #c8c1c5; cursor: pointer; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.2); transition: transform .15s ease; }
.switch.on { background: var(--accent); }
.switch.on::after { transform: translateX(16px); }

.app-dialog { width: min(620px,calc(100% - 24px)); max-height: min(820px,calc(100vh - 24px)); padding: 0; border: 0; border-radius: 8px; color: var(--ink); box-shadow: 0 24px 70px rgba(44,34,39,.25); }
.app-dialog::backdrop { background: rgba(33,28,31,.46); backdrop-filter: blur(2px); }
.dialog-frame { display: grid; grid-template-rows: auto minmax(0,1fr) auto; max-height: inherit; }
.dialog-frame > header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.dialog-frame h2 { margin: 0; font-size: 18px; }
.dialog-body { overflow: auto; display: grid; gap: 14px; padding: 20px; }
.dialog-frame > footer { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--line); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .span-2 { grid-column: 1 / -1; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { min-height: 34px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); font-size: 11px; cursor: pointer; }
.chip.selected { border-color: var(--accent); background: var(--surface-soft); color: var(--accent-strong); font-weight: 800; }
.toast { position: fixed; left: 50%; bottom: 26px; z-index: 200; max-width: calc(100% - 32px); padding: 10px 15px; border-radius: 6px; background: #302c31; color: #fff; box-shadow: 0 12px 30px rgba(0,0,0,.22); font-size: 12px; font-weight: 700; opacity: 0; pointer-events: none; transform: translate(-50%,10px); transition: .18s ease; }
.toast.show { opacity: 1; transform: translate(-50%,0); }

@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; padding: 22px 18px calc(var(--nav-height) + 28px); }
  .side-nav { position: fixed; left: 0; right: 0; bottom: 0; top: auto; z-index: 60; height: calc(var(--nav-height) + env(safe-area-inset-bottom)); grid-template-columns: repeat(5,1fr); gap: 0; padding: 6px 8px env(safe-area-inset-bottom); border-top: 1px solid var(--line); background: rgba(255,255,255,.97); backdrop-filter: blur(14px); }
  .side-nav.partner-nav { grid-template-columns: repeat(4,1fr); }
  .side-nav button { min-height: 52px; grid-template-columns: 1fr; justify-items: center; align-content: center; gap: 2px; padding: 2px; }
  .side-nav button span { width: 25px; height: 25px; }
  .side-nav button em { font-size: 9px; }
  .side-nav button.active { background: transparent; }
  .side-nav button.active span { color: var(--accent-strong); }
  .metric-grid, .quick-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 600px) {
  .entry { padding: 0; background: #fff; }
  .entry-panel { min-height: 100vh; padding: 24px 18px; border: 0; box-shadow: none; }
  .role-grid { grid-template-columns: 1fr; }
  .role-option { min-height: 94px; grid-template-columns: 40px 1fr; align-items: center; align-content: center; }
  .role-option .role-icon { grid-row: 1 / span 2; }
  .app-header { height: 58px; padding: 0 12px; }
  .connection-state span { display: none; }
  .app-layout { padding: 18px 12px calc(var(--nav-height) + 24px); }
  .view-header { align-items: flex-start; }
  .view-header h1 { font-size: 20px; }
  .view-actions .secondary-button { padding: 8px 10px; }
  .status-band { grid-template-columns: 1fr; padding: 18px; }
  .status-band h2 { font-size: 23px; }
  .status-band .status-side { justify-items: start; text-align: left; }
  .metric { padding: 13px; }
  .metric strong { font-size: 19px; }
  .quick-action { min-height: 88px; }
  .split-grid { grid-template-columns: 1fr; }
  .calendar-shell { padding: 8px; }
  .calendar-day > span { width: 30px; height: 30px; }
  .calendar-day.reminded::after { bottom: 2px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
  .code-display { align-items: flex-start; flex-direction: column; }
  .dialog-body { padding: 16px; }
  .dialog-frame > footer { padding: 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}