/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:    #5B9BD5;
  --blue-lt: #EBF3FB;
  --peach:   #F4A56A;
  --peach-lt:#FEF3EB;
  --green:   #6DBE8C;
  --green-lt:#EBF8F1;
  --purple:  #9B8EC4;
  --purple-lt:#F2EFF9;
  --yellow:  #F5C842;
  --yellow-lt:#FEF9E7;
  --red:     #E57373;
  --gray:    #6B7280;
  --gray-lt: #F3F4F6;
  --white:   #FFFFFF;
  --bg:      #F7F9FC;
  --card-shadow: 0 2px 12px rgba(0,0,0,.07);
  --radius:  16px;
  --radius-sm: 10px;
  font-size: 16px;
}

html, body {
  height: 100%;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1F2937;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ────────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

header {
  background: linear-gradient(135deg, var(--blue) 0%, #4A86C8 100%);
  color: #fff;
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(91,155,213,.3);
}
header h1 { font-size: 1.2rem; font-weight: 700; letter-spacing: .5px; }
header .subtitle { font-size: .75rem; opacity: .85; margin-top: 2px; }
.header-date { font-size: .8rem; opacity: .85; text-align: right; line-height: 1.4; }

main {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 80px;
}

/* ── Bottom Nav ────────────────────────────────────────────── */
nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-top: 1px solid #E5E7EB;
  display: flex;
  z-index: 200;
  box-shadow: 0 -2px 12px rgba(0,0,0,.06);
}
.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  gap: 3px;
  color: var(--gray);
  font-size: .68rem;
  transition: color .2s;
}
.nav-btn .icon { font-size: 1.4rem; line-height: 1; }
.nav-btn.active { color: var(--blue); }
.nav-btn.active .icon { transform: scale(1.1); }

/* ── Tab Pages ─────────────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 16px;
  margin-bottom: 14px;
}
.card-title {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Stat Grid ──────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.stat-card {
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-card.blue   { background: var(--blue-lt);   }
.stat-card.peach  { background: var(--peach-lt);  }
.stat-card.green  { background: var(--green-lt);  }
.stat-card.purple { background: var(--purple-lt); }
.stat-icon  { font-size: 1.4rem; }
.stat-value { font-size: 1.25rem; font-weight: 700; color: #1F2937; line-height: 1.2; }
.stat-sub   { font-size: .8rem; font-weight: 600; color: #374151; margin-top: 1px; }
.stat-label { font-size: .7rem; color: var(--gray); margin-top: 2px; }
.stat-card.cyan { background: #E0F7FA; }

/* ── Listen Badge ───────────────────────────────────────────── */
.listen-badge {
  font-size: .72rem; font-weight: 600; padding: 3px 10px;
  border-radius: 20px; display: inline-flex; align-items: center; gap: 5px;
}
.listen-badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; }
.listen-off  { background: #F3F4F6; color: #9CA3AF; }
.listen-off::before  { background: #9CA3AF; }
.listen-idle { background: var(--green-lt); color: #3A9D6B; }
.listen-idle::before { background: var(--green); animation: blink 2s infinite; }
.listen-wake { background: var(--yellow-lt); color: #C9960B; }
.listen-wake::before { background: var(--yellow); animation: blink .6s infinite; }
.listen-rec  { background: #FEE2E2; color: var(--red); }
.listen-rec::before  { background: var(--red); animation: blink .4s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Wake Indicator ─────────────────────────────────────────── */
.voice-area { padding: 4px 0 8px; }
.wake-indicator {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 20px 12px 16px; border-radius: var(--radius-sm);
  transition: background .3s;
}
.wake-indicator.idle      { background: var(--gray-lt); }
.wake-indicator.listening { background: var(--green-lt); }
.wake-indicator.wake      { background: var(--yellow-lt); }
.wake-indicator.recording { background: #FEE2E2; }
.wake-indicator.saving    { background: var(--blue-lt); }

.wake-icon { font-size: 2.2rem; line-height: 1; }
.wake-indicator.listening .wake-icon { animation: float 2s ease-in-out infinite; }
.wake-indicator.recording .wake-icon { animation: pulse-icon .5s ease-in-out infinite; }
@keyframes float       { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }
@keyframes pulse-icon  { 0%,100%{transform:scale(1)}      50%{transform:scale(1.15)} }

.wake-state-text { font-size: .85rem; font-weight: 600; color: #374151; }
.interim-text    { font-size: .82rem; color: var(--gray); min-height: 1.2em; text-align: center; padding: 0 8px; }

.voice-controls  { display: flex; gap: 8px; margin-top: 10px; }
.voice-controls .btn { flex: 1; }

.wake-word-tip {
  margin-top: 10px; text-align: center;
  font-size: .78rem; color: var(--gray);
  background: var(--green-lt); border-radius: var(--radius-sm); padding: 8px 12px;
}
.wake-word-tip strong { color: #3A9D6B; }

/* ── Voice Result ───────────────────────────────────────────── */
.voice-result {
  display: none;
  margin-top: 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--blue);
  overflow: hidden;
}
.voice-result.show { display: block; }
.voice-result-header {
  background: var(--blue-lt);
  padding: 10px 14px;
  font-size: .8rem;
  color: var(--blue);
  font-weight: 600;
}
.voice-result-body { padding: 12px 14px; }
.voice-raw { font-size: .82rem; color: var(--gray); margin-bottom: 8px; }
.voice-parsed { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: .78rem; font-weight: 500;
  background: var(--blue-lt); color: var(--blue);
}
.voice-actions { display: flex; gap: 8px; }
.btn {
  flex: 1; padding: 10px; border-radius: var(--radius-sm);
  border: none; cursor: pointer; font-size: .85rem; font-weight: 600;
  transition: opacity .15s;
}
.btn:active { opacity: .75; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-ghost { background: var(--gray-lt); color: var(--gray); }
.btn-danger { background: #FEE2E2; color: var(--red); }
.btn-sm { padding: 6px 12px; font-size: .78rem; flex: none; }

/* ── Quick Input ────────────────────────────────────────────── */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.quick-btn {
  border: none; border-radius: var(--radius-sm);
  padding: 12px 4px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: .72rem; font-weight: 600;
  transition: transform .1s;
}
.quick-btn:active { transform: scale(.95); }
.quick-btn .q-icon { font-size: 1.4rem; }
.quick-btn.blue   { background: var(--blue-lt);   color: var(--blue);   }
.quick-btn.peach  { background: var(--peach-lt);  color: var(--peach);  }
.quick-btn.green  { background: var(--green-lt);  color: #3A9D6B;       }
.quick-btn.purple { background: var(--purple-lt); color: var(--purple); }
.quick-btn.yellow { background: var(--yellow-lt); color: #C9960B;       }

/* ── Record List ────────────────────────────────────────────── */
.record-list { display: flex; flex-direction: column; gap: 8px; }
.record-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--white); border-radius: var(--radius-sm);
  padding: 12px 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.record-icon {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.record-icon.feeding    { background: var(--blue-lt);   }
.record-icon.water      { background: #E0F7FA;          }
.record-icon.supplement { background: #F0EBF8;          }
.record-icon.vaccine    { background: #E8F5E9;          }
.record-icon.bowel      { background: var(--peach-lt);  }
.record-icon.bath       { background: var(--green-lt);  }
.record-icon.sleep_start,.record-icon.sleep_end { background: var(--purple-lt); }
.record-icon.other      { background: var(--gray-lt);   }

.record-info { flex: 1; min-width: 0; }
.record-type { font-size: .88rem; font-weight: 600; }
.record-detail { font-size: .76rem; color: var(--gray); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.record-time { font-size: .72rem; color: #9CA3AF; flex-shrink: 0; }
.record-del { background: none; border: none; cursor: pointer; color: #D1D5DB; font-size: 1rem; padding: 4px; }
.record-del:hover { color: var(--red); }

.empty-state { text-align: center; padding: 40px 20px; color: #9CA3AF; }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 10px; }
.empty-state p { font-size: .85rem; }

/* ── Date Filter ────────────────────────────────────────────── */
.date-filter {
  display: flex; gap: 8px; align-items: center; margin-bottom: 14px;
}
.date-filter input[type=date] {
  flex: 1; border: 1.5px solid #E5E7EB; border-radius: var(--radius-sm);
  padding: 8px 12px; font-size: .85rem; background: var(--white);
  color: #1F2937; outline: none;
}
.date-filter input[type=date]:focus { border-color: var(--blue); }

/* ── Report ─────────────────────────────────────────────────── */
.report-content {
  font-size: .85rem; line-height: 1.7; color: #374151;
  word-break: break-word;
}
.report-line      { padding: 1px 0; }
.report-line-gap  { height: 6px; }
.report-sep { border: none; border-top: 1px solid #E5E7EB; margin: 10px 0; }
.report-line-warn {
  background: #FEF3C7; color: #92400E;
  border-left: 3px solid #F59E0B;
  padding: 4px 8px; border-radius: 4px;
  margin: 2px 0; font-weight: 500;
}
.report-line-ok {
  background: #ECFDF5; color: #065F46;
  border-left: 3px solid #10B981;
  padding: 4px 8px; border-radius: 4px;
  margin: 2px 0;
}
.report-meta { font-size: .75rem; color: #9CA3AF; margin-bottom: 8px; }
.report-actions { display: flex; gap: 8px; margin-top: 12px; }
.report-item {
  background: var(--white); border-radius: var(--radius-sm);
  margin-bottom: 10px; box-shadow: 0 1px 4px rgba(0,0,0,.06);
  overflow: hidden;
}
.report-item-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; cursor: pointer;
}
.report-item-header:hover { background: #F9FAFB; }
.report-item-date    { font-size: .82rem; font-weight: 600; color: var(--blue); margin-bottom: 4px; }
.report-item-preview { font-size: .76rem; color: var(--gray); }
.report-arrow        { font-size: .7rem; color: #9CA3AF; flex-shrink: 0; margin-left: 8px; transition: transform .2s; }
.report-item-body    { display: none; padding: 0 14px 14px; border-top: 1px solid #F3F4F6; }
.report-item-body.open { display: block; }
.report-no-data { color: #9CA3AF; font-size: .85rem; font-style: italic; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 1000;
  align-items: flex-end; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--white); border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px; width: 100%; max-width: 480px;
  max-height: 85vh; overflow-y: auto;
  animation: slideUp .25s ease;
}
@keyframes slideUp {
  from { transform: translateY(60px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
.modal-title { font-size: 1rem; font-weight: 700; margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; }
.modal-close { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--gray); }

/* ── Manual Form ────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-label { font-size: .82rem; font-weight: 600; color: #374151; margin-bottom: 6px; display: block; }
.form-control {
  width: 100%; border: 1.5px solid #E5E7EB; border-radius: var(--radius-sm);
  padding: 10px 12px; font-size: .9rem; outline: none; background: var(--white);
  color: #1F2937; transition: border-color .15s;
}
.form-control:focus { border-color: var(--blue); }
select.form-control { cursor: pointer; }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-20px);
  background: #1F2937; color: #fff;
  padding: 10px 20px; border-radius: 20px; font-size: .85rem;
  z-index: 9999; opacity: 0; transition: all .3s; pointer-events: none;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Loading ────────────────────────────────────────────────── */
.loading { text-align: center; padding: 20px; color: var(--gray); font-size: .85rem; }
.spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2.5px solid #E5E7EB; border-top-color: var(--blue);
  border-radius: 50%; animation: spin .7s linear infinite; margin-right: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Report Detail ──────────────────────────────────────────── */
#reportDetail { display: none; }
#reportDetail.show { display: block; }
#reportList.hidden { display: none; }

/* ── Baby Banner ────────────────────────────────────────────── */
.baby-banner {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(135deg, #6C9BCF 0%, #A78BDA 100%);
  color: #fff; border-radius: var(--radius); padding: 14px 16px;
  margin-bottom: 14px; box-shadow: var(--card-shadow);
}
.baby-banner-avatar { font-size: 2rem; line-height: 1; }
.baby-banner-info   { flex: 1; }
.baby-banner-name   { font-size: 1.05rem; font-weight: 700; }
.baby-banner-days   { font-size: .78rem; opacity: .9; margin-top: 2px; }
.baby-banner-edit   { background: rgba(255,255,255,.2); border: none; color: #fff;
                      border-radius: 8px; padding: 5px 10px; font-size: .75rem; cursor: pointer; }
.baby-banner-edit:hover { background: rgba(255,255,255,.35); }

/* ── Recommendation Card ────────────────────────────────────── */
.rec-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--card-shadow); padding: 14px 16px; margin-bottom: 14px;
  border-left: 4px solid var(--blue);
}
.rec-title { font-size: .82rem; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.rec-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.rec-growth-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 6px; }
.rec-item  { font-size: .78rem; color: #374151; background: #F9FAFB; border-radius: 8px; padding: 8px 10px; }
.rec-item span { font-weight: 600; color: #1F2937; }
.rec-item-feeding { font-size: .78rem; font-weight: 600; color: #1F2937;
                    background: #F9FAFB; border-radius: 8px; padding: 8px 10px; }
.rec-feeding-cols { display: grid; grid-template-columns: repeat(4,1fr); gap: 4px; margin-top: 0; }
.rec-feeding-cell { display: flex; flex-direction: column; gap: 2px; }
.rec-feeding-key  { font-weight: 400; color: #6B7280; font-size: .7rem; }
.rec-feeding-cell span:last-child { font-weight: 600; color: #1F2937; font-size: .78rem; }
.rec-note  { font-size: .75rem; color: var(--gray); margin-top: 8px;
             background: var(--blue-lt); border-radius: 6px; padding: 6px 10px; }
.rec-supplement { font-size: .75rem; color: #7D5BA6; margin-top: 6px;
                  background: #F0EBF8; border-radius: 6px; padding: 6px 10px; }
.rec-bowel { font-size: .75rem; color: #C05621; margin-top: 6px;
             background: #FFF3E0; border-radius: 6px; padding: 6px 10px; }
.rec-bowel-row {
  display: flex; gap: 8px; margin-top: 8px;
}
.rec-bowel-item {
  flex: 1; background: #FFF8F0; border-radius: 8px;
  padding: 8px 10px; font-size: .75rem; color: #374151;
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px;
}
.rec-bowel-icon  { font-size: 1rem; }
.rec-bowel-label { color: #6B7280; }
.rec-bowel-val   { font-weight: 700; color: #C05621; }
.rec-bowel-note  { color: #9CA3AF; font-size: .68rem; width: 100%; margin-top: 2px; }

/* ── Type Detail Modal ──────────────────────────────────────── */
.detail-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid #F3F4F6;
}
.detail-item:last-child { border-bottom: none; }
.detail-item.record-abnormal { border-left: 3px solid var(--red); padding-left: 9px; background: #FFFBFB; border-radius: 4px; }
.detail-time {
  font-size: .95rem; font-weight: 700; color: var(--blue);
  min-width: 42px; padding-top: 1px;
}
.detail-info { flex: 1; }
.detail-main { font-size: .88rem; color: #374151; }
.detail-value { font-weight: 700; color: #111827; }
.detail-notes { color: #6B7280; }
.detail-raw { font-size: .75rem; color: #9CA3AF; margin-top: 2px; }

/* ── Vaccine Reminders ──────────────────────────────────────── */
.vaccine-reminder-title {
  font-size: .8rem; font-weight: 700; color: var(--gray);
  margin: 14px 0 8px; padding-top: 12px;
  border-top: 1px solid #F3F4F6; letter-spacing: .05em;
}
.vaccine-reminder-item {
  background: #F0F7FF; border-radius: 8px;
  padding: 10px 12px; margin-bottom: 8px;
}
.reminder-name { font-size: .88rem; font-weight: 700; color: #1E40AF; margin-bottom: 4px; }
.reminder-info { font-size: .8rem; color: #374151; line-height: 1.7; }
.reminder-schedule { font-size: .72rem; color: #6B7280; margin-top: 3px; }
.reminder-ready { color: #059669; font-weight: 700; }
.reminder-days  { color: #D97706; font-weight: 600; }

/* ── Settings Page ──────────────────────────────────────────── */
.settings-section { margin-bottom: 20px; }
.settings-section .card-title { margin-bottom: 14px; }

/* ── Abnormal ───────────────────────────────────────────────── */
.record-item.record-abnormal {
  border-left: 3px solid var(--red);
  background: #FFFBFB;
}
.abnormal-badge {
  display: inline-flex; align-items: center; gap: 3px;
  background: #FEE2E2; color: var(--red);
  font-size: .7rem; font-weight: 600;
  padding: 2px 8px; border-radius: 20px;
  white-space: nowrap; flex-shrink: 0;
}
.record-info .abnormal-badge { margin-top: 3px; }

/* Manual form abnormal toggle */
.abnormal-toggle {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: var(--gray-lt); cursor: pointer;
  transition: background .15s;
}
.abnormal-toggle input[type=checkbox] { width: 18px; height: 18px; cursor: pointer; accent-color: var(--red); }
.abnormal-toggle.checked { background: #FEE2E2; }
.abnormal-toggle label { font-size: .88rem; font-weight: 600; color: #374151; cursor: pointer; flex: 1; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (min-width: 481px) {
  #app { box-shadow: 0 0 40px rgba(0,0,0,.1); }
}