:root {
  --ink:#1a1a16; --ink2:#3d3d34; --ink3:#7a7a6e; --ink4:#b5b5a8;
  --paper:#f7f6f0; --paper2:#eeeee4; --paper3:#e4e4d8;
  --white:#fff; --border:rgba(26,26,22,.10); --border2:rgba(26,26,22,.18);
  --grain-h:#d4a24c; --grain-bg:#fdf3e0; --grain-soft:#f5dfa0;
  --prot-h:#b05a5a;  --prot-bg:#fdeeed;
  --veg-h:#4a9464;   --veg-bg:#edf7f1;
  --fat-h:#7a5ab0;   --fat-bg:#f3edf7;
  --topbar-h:56px;
  --bnav-h:60px;
  --left-panel-w:540px;
  --radius:14px; --radius-sm:8px;
}

/* ── DARK THEME ─────────────────────────────────────── */
[data-theme="dark"] {
  color-scheme: dark;
  --ink:#e4e2da; --ink2:#c8c5ba; --ink3:#b5b2a9; --ink4:#9a9890;
  --paper:#1e1f2b; --paper2:#262737; --paper3:#2e2f42;
  --white:#2c2d40; --border:rgba(255,255,255,.13); --border2:rgba(255,255,255,.32);
  --grain-h:#e0b45c; --grain-bg:rgba(224,180,92,.12); --grain-soft:rgba(224,180,92,.2);
  --prot-h:#d47a7a;  --prot-bg:rgba(212,122,122,.1);
  --veg-h:#6ab87e;   --veg-bg:rgba(106,184,126,.1);
  --fat-h:#9a7ed4;   --fat-bg:rgba(154,126,212,.1);
}

/* System preference → dark */
@media (prefers-color-scheme: dark) {
  [data-theme="system"] {
    color-scheme: dark;
    --ink:#e4e2da; --ink2:#c8c5ba; --ink3:#b5b2a9; --ink4:#9a9890;
    --paper:#1e1f2b; --paper2:#262737; --paper3:#2e2f42;
    --white:#2c2d40; --border:rgba(255,255,255,.13); --border2:rgba(255,255,255,.32);
    --grain-h:#e0b45c; --grain-bg:rgba(224,180,92,.12); --grain-soft:rgba(224,180,92,.2);
    --prot-h:#d47a7a;  --prot-bg:rgba(212,122,122,.1);
    --veg-h:#6ab87e;   --veg-bg:rgba(106,184,126,.1);
    --fat-h:#9a7ed4;   --fat-bg:rgba(154,126,212,.1);
  }
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', 'Noto Sans TC', sans-serif;
  background: var(--paper); color: var(--ink);
  min-height: 100vh; display: flex; flex-direction: column;
}

/* ── TOPBAR ─────────────────────────────────────────── */
#topbar {
  position: sticky; top: 0; z-index: 200;
  background: var(--ink); color: var(--paper);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: var(--topbar-h); gap: 12px; flex-shrink: 0;
}
.logo { font-family: 'Noto Serif TC', serif; font-size: 21px; font-weight: 900; letter-spacing: .06em; white-space: nowrap; }
.logo span { color: var(--grain-h); }
.topbar-center { display: flex; align-items: center; gap: 6px; flex: 1; justify-content: center; }
.date-arrow {
  background: none; border: 1px solid rgba(255,255,255,.2); color: var(--paper);
  width: 28px; height: 28px; border-radius: 6px; cursor: pointer; font-size: 17px;
  display: flex; align-items: center; justify-content: center;
}
.date-arrow:hover { background: rgba(255,255,255,.1); }
#dateLabel { font-size: 16px; font-weight: 500; min-width: 140px; text-align: center; border-radius: 6px; padding: 3px 6px; transition: background .15s; }
#dateLabel:hover { background: rgba(255,255,255,.1); }

/* ── 月曆彈出 ── */
#calendarPicker {
  position: absolute;
  top: calc(var(--topbar-h) + 6px);
  left: 50%; transform: translateX(-50%);
  z-index: 500;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  padding: 14px 16px 16px;
  width: 280px;
  color: var(--ink);
}
.picker-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.picker-header button {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  width: 30px; height: 30px; cursor: pointer; font-size: 16px; color: var(--ink2);
  display: flex; align-items: center; justify-content: center;
}
.picker-header button:hover { background: var(--bg); }
.picker-month-label { font-size: 16px; font-weight: 700; color: var(--ink1); }
.picker-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
}
.picker-dow {
  font-size: 12px; font-weight: 600; color: var(--ink3);
  text-align: center; padding: 4px 0 6px;
  letter-spacing: .04em;
}
.picker-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; border-radius: 50%;
  cursor: pointer; color: var(--ink2);
  transition: background .1s;
}
.picker-day:hover { background: var(--bg); color: var(--ink1); }
.picker-day.today { font-weight: 700; color: var(--grain-h); }
.picker-day.selected { background: var(--grain-h); color: #fff !important; font-weight: 600; border-radius: 50%; }
.picker-day.other-month { color: var(--ink4, #ccc); }

.picker-year-btn {
  cursor: pointer; border-bottom: 1.5px dashed var(--grain-h);
  padding-bottom: 1px; color: var(--ink1);
}
.picker-year-btn:hover { color: var(--grain-h); }
.picker-year-row {
  display: flex; align-items: center; justify-content: center;
  gap: 24px; padding: 24px 0 16px;
}
.picker-year-arrow {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  width: 36px; height: 36px; cursor: pointer; font-size: 18px; color: var(--ink2);
  display: flex; align-items: center; justify-content: center;
}
.picker-year-arrow:hover { background: var(--bg); }
.picker-year-display {
  font-size: 32px; font-weight: 700; color: var(--grain-h);
  cursor: pointer; min-width: 90px; text-align: center;
}
.picker-year-display:hover { opacity: .8; }
.picker-year-hint {
  text-align: center; font-size: 13px; color: var(--ink3); padding-bottom: 8px;
}
.today-pill {
  background: var(--grain-h); color: var(--ink);
  border: none; border-radius: 20px; padding: 4px 12px;
  font-size: 14px; cursor: pointer; font-weight: 500; font-family: inherit;
}
.topbar-right { display: flex; gap: 5px; }
.view-btn {
  background: none; border: 1px solid transparent; color: #fff;
  padding: 5px 13px; border-radius: 6px; font-size: 15px; cursor: pointer;
  font-family: inherit; white-space: nowrap; transition: all .15s;
}
.view-btn.active { background: var(--grain-h); color: #1e1f2b; font-weight: 600; }

/* ── LAYOUT ──────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: var(--left-panel-w) 1fr;
  height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}
.left-panel {
  background: var(--white); border-right: 1px solid var(--border);
  overflow-y: auto; flex-shrink: 0;
}
.main-area {
  overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 14px;
}

/* ── LEFT PANEL ──────────────────────────────────────── */
.panel-section { padding: 16px 18px 14px; border-bottom: 1px solid var(--border); position: relative; }
.panel-label { font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--ink3); text-transform: uppercase; margin-bottom: 12px; }

.cal-ring-wrap { position: relative; width: 80px; height: 80px; flex-shrink: 0; }
.cal-ring-wrap svg { transform: rotate(-90deg); }
.cal-ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.cal-num { font-size: 18px; font-weight: 500; line-height: 1; }
.cal-unit { font-size: 12px; color: var(--ink3); margin-top: 1px; }
.macro-card { border-radius: var(--radius-sm); padding: 7px 5px; text-align: center; }
.macro-val { font-size: 16px; font-weight: 500; }
.macro-lbl { font-size: 12px; margin-top: 1px; opacity: .75; }
/* cal-grid：上下排列（體重上、熱量下） */
.cal-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cal-grid .weight-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--paper);
  border-radius: var(--radius-sm);
}
.weight-left { flex: 1; }
.weight-val-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.cal-label-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink2);
  text-align: center;
}
.cal-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cal-ring-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
}
.macro-cards {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* ── 體重卡 ── */
.weight-card-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink3);
  text-transform: uppercase;
}
.weight-display {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}
.weight-diff {
  font-size: 13px;
  min-height: 16px;
  color: var(--ink3);
}
.weight-input-row {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.weight-input {
  width: 58px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg);
  color: var(--ink1);
  -moz-appearance: textfield;
}
.weight-input::-webkit-outer-spin-button,
.weight-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.weight-save-btn {
  padding: 4px 8px;
  background: var(--grain-h);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.donut-section {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.donut-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.donut-leg-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}
.donut-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.donut-leg-label {
  flex: 1;
  color: var(--ink2);
}
.donut-leg-val {
  color: var(--ink3);
  font-size: 13px;
  white-space: nowrap;
}
.donut-leg-val.over {
  color: #c0392b;
  font-weight: 600;
}
/* ── DONUT CANVAS WRAP ───────────────────────────────────── */
.donut-canvas-wrap {
  flex-shrink: 0;
}

/* ── DONUT TOOLTIP ───────────────────────────────────────── */
.donut-tooltip {
  position: absolute;
  background: var(--white, #fff);
  border: 1px solid var(--border, #e4e4d8);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  padding: 10px 12px;
  min-width: 130px;
  max-width: 220px;
  pointer-events: none;
  z-index: 100;
  font-size: 13px;
  line-height: 1.5;
}
.dtt-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 5px;
}
.dtt-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}
.dtt-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink, #1a1a18);
  line-height: 1;
}
.dtt-num.dtt-over { color: #c0392b; }
.dtt-unit { font-size: 12px; font-weight: 400; }
.dtt-sep, .dtt-target { color: var(--ink3, #aaa); font-size: 13px; }
.dtt-pct { font-size: 12px; color: var(--ink3, #aaa); margin-top: 2px; }
.dtt-k {
  font-weight: 600;
  color: var(--ink2, #666);
  font-size: 12px;
  white-space: nowrap;
}
.dtt-v {
  color: var(--ink, #1a1a18);
  font-size: 12px;
  line-height: 1.5;
}
.dtt-empty { color: var(--ink3, #aaa); font-size: 13px; }

/* ── STATS MICRO NUTRIENTS ───────────────────────────────── */
.stats-micro-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink2, #666);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border, #e4e4d8);
}
.stats-micro-row {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.5;
}
.stats-micro-k {
  font-weight: 600;
  color: #4a9464;
  flex-shrink: 0;
  min-width: 44px;
}
.stats-micro-v { color: var(--ink, #1a1a18); }

/* ── CONFIG BANNER ───────────────────────────────────── */
.config-banner {
  display: flex; align-items: center; gap: 12px;
  background: var(--grain-bg); border: 1px solid var(--grain-soft);
  border-radius: var(--radius-sm); padding: 10px 14px; font-size: 16px; color: var(--ink2);
}
.config-banner button {
  margin-left: auto; background: var(--grain-h); color: var(--ink);
  border: none; border-radius: 6px; padding: 5px 12px; font-size: 15px;
  cursor: pointer; font-family: inherit; white-space: nowrap;
}

/* ── MEAL CARDS ──────────────────────────────────────── */
.meals-grid { display: flex; flex-direction: column; gap: 12px; }
.meal-card {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden; transition: box-shadow .15s;
}
.meal-card:hover { box-shadow: 0 3px 16px rgba(0,0,0,.06); }
.meal-hd { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; }
.meal-hd-left { display: flex; align-items: center; gap: 10px; }
.meal-emoji { font-size: 19px; width: 28px; text-align: center; }
.meal-meta h3 { font-size: 16px; font-weight: 500; }
.meal-time-lbl { font-size: 14px; color: var(--ink3); margin-top: 1px; }
.meal-add-btn {
  padding: 5px 13px; border: 1px dashed var(--border2); border-radius: 7px;
  background: none; font-size: 15px; cursor: pointer; color: var(--ink3);
  font-family: inherit; transition: all .12s; white-space: nowrap;
}
.meal-add-btn:hover { border-color: var(--grain-h); color: var(--grain-h); background: var(--grain-bg); }
.meal-body { border-top: 1px solid var(--border); padding: 0 16px 10px; }
.food-list { display: flex; flex-direction: column; gap: 4px; padding-top: 6px; }
.food-row { display: flex; align-items: flex-start; gap: 8px; padding: 10px 8px; border-radius: 10px; transition: background .1s; }
.food-row:hover { background: var(--paper); }
.food-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.food-card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.food-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.food-name { font-size: 16px; font-weight: 500; flex: 1; min-width: 0; }
.food-note { font-size: 13px; color: var(--ink3); }
.food-actions { display: flex; gap: 2px; flex-shrink: 0; }
.food-nutrients { display: flex; flex-wrap: wrap; align-items: center; font-size: 14px; gap: 0; }
.nu-protein { color: #5b8fe0; }
.nu-fat     { color: #d4784c; }
.nu-carbs   { color: #4a9464; }
.nu-dot     { color: var(--ink4); }
.food-kcal-row { display: flex; align-items: center; }
.food-kcal { color: var(--ink2); font-size: 16px; font-weight: 700; }
.food-edit { background: none; border: none; cursor: pointer; color: var(--ink4); font-size: 16px; padding: 0 3px; transition: color .1s; flex-shrink: 0; line-height: 1; }
.food-edit:hover { color: var(--grain-h); }
.food-del { background: none; border: none; cursor: pointer; color: var(--ink4); font-size: 18px; padding: 0 3px; transition: color .1s; flex-shrink: 0; line-height: 1; }
.food-del:hover { color: var(--prot-h); }
.meal-empty { font-size: 15px; color: var(--ink4); padding: 10px 0 4px; }

/* ── CONTENT CARDS ───────────────────────────────────── */
.content-card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; }
.content-card-title { font-family: 'Noto Serif TC', serif; font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.body-trend-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.body-trend-header .content-card-title { margin-bottom: 0; }
.body-trend-legend { display: flex; align-items: center; font-size: 11px; color: var(--ink3); }
.body-trend-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; flex-shrink: 0; }
.toggle-btn {
  padding: 7px 18px; border: 1.5px solid var(--border2); border-radius: 20px;
  background: none; font-size: 15px; cursor: pointer; color: var(--ink3);
  font-family: inherit; transition: all .15s;
}
.toggle-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ── SETTINGS ────────────────────────────────────────── */
.settings-form { display: flex; flex-direction: column; gap: 12px; }
.sf-row { display: flex; flex-direction: column; gap: 4px; }
.sf-row label { font-size: 14px; color: var(--ink3); font-weight: 500; }
.sf-row label small { font-size: 13px; color: var(--ink4); }
.sf-row input, .sf-row select {
  padding: 8px 11px; border: 1px solid var(--border2); border-radius: var(--radius-sm);
  font-size: 16px; font-family: inherit; background: var(--paper); color: var(--ink);
}
.sf-row input:focus, .sf-row select:focus { outline: none; border-color: var(--grain-h); }
.api-key-input { -webkit-text-security: disc; }
.saved-tip { font-size: 15px; color: var(--veg-h); font-weight: 500; opacity: 0; transition: opacity .3s; height: 16px; }
.saved-tip.show { opacity: 1; }
.settings-note { font-size: 15px; color: var(--ink3); line-height: 1.8; background: var(--paper2); border-radius: var(--radius-sm); padding: 12px 14px; border: 1px solid var(--border); }
.feedback-btn {
  display: inline-block;
  padding: 8px 18px;
  background: var(--grain-h);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .15s;
}
.feedback-btn:hover { opacity: .85; }

/* ── PRIVACY LABELS ─────────────────────────────────── */
.privacy-columns { display: flex; gap: 16px; }
.privacy-col { flex: 1; }
.privacy-col-title { font-size: 15px; font-weight: 600; color: var(--ink3); margin-bottom: 12px; text-align: center; }
.privacy-items { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; margin: 0 auto; width: fit-content; padding-left: 2em; }
.privacy-item { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; color: var(--ink1); }
.privacy-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 7px; font-size: 16px; flex-shrink: 0; }

/* ── VIEWS ───────────────────────────────────────────── */
.view { display: none; }
.view.active { display: flex; flex-direction: column; gap: 14px; }

/* ── MODAL ───────────────────────────────────────────── */
.moverlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 300;
  display: flex; align-items: flex-end; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.moverlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: 18px 18px 0 0;
  width: 100%; max-width: 520px; max-height: 85vh; max-height: 90dvh;
  display: flex; flex-direction: column;
  transform: translateY(20px); transition: transform .25s;
}
.moverlay.open .modal { transform: translateY(0); }

/* Desktop: center modal */
@media (min-width: 600px) {
  .moverlay { align-items: center; }
  .modal { border-radius: 18px; max-height: 88vh; }
}

.modal-hd {
  padding: 18px 20px 14px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.modal-hd h3 { font-family: 'Noto Serif TC', serif; font-size: 18px; }
.modal-x { background: none; border: none; cursor: pointer; font-size: 20px; color: var(--ink3); padding: 2px 4px; }
.modal-scroll { overflow-y: auto; flex: 1; }

.modal-photo-zone {
  margin: 12px 20px 0; border: 1.5px dashed var(--border2); border-radius: 10px;
  padding: 14px; text-align: center; cursor: pointer; transition: all .15s;
  background: var(--paper); position: relative;
}
.modal-photo-zone:hover { border-color: var(--grain-h); background: var(--grain-bg); }
.modal-photo-zone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.photo-zone-icon { font-size: 24px; margin-bottom: 4px; }
.photo-zone-txt { font-size: 15px; color: var(--ink3); }
.photo-zone-txt b { color: var(--grain-h); }
.photo-thumb { width: 100%; max-height: 130px; object-fit: cover; border-radius: 8px; margin-top: 8px; display: none; }

.food-desc-inp {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); font-size: 16px; font-family: inherit;
  background: var(--paper); color: var(--ink); resize: none; min-height: 68px; margin-bottom: 8px;
}
.food-desc-inp:focus { outline: none; border-color: var(--grain-h); }
.example-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 4px; }
.ex-chip {
  padding: 4px 10px; border: 1px solid var(--border2); border-radius: 20px;
  font-size: 14px; cursor: pointer; color: var(--ink3); background: none; font-family: inherit; transition: all .12s;
}
.ex-chip:hover { background: var(--grain-bg); color: var(--grain-h); border-color: var(--grain-soft); }

/* ── Frequent Foods Panel ── */
.freq-foods-panel {
  margin-bottom: 8px; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); overflow: hidden;
  background: var(--paper2);
}
.freq-foods-hd {
  padding: 6px 12px; font-size: 13px; color: var(--grain-h);
  border-bottom: 1px solid var(--border); font-weight: 500;
}
.freq-foods-list { display: flex; flex-direction: column; }
.freq-foods-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px; cursor: pointer; transition: background .12s;
  border-bottom: 1px solid var(--border);
}
.freq-foods-item:last-child { border-bottom: none; }
.freq-foods-item:hover { background: var(--grain-bg); }
.freq-foods-item:active { background: var(--grain-soft); }
.freq-foods-name { font-size: 15px; color: var(--ink); }
.freq-foods-meta { font-size: 13px; color: var(--ink3); white-space: nowrap; margin-left: 12px; }
.freq-foods-empty {
  padding: 10px 12px; font-size: 14px; color: var(--ink4);
  text-align: center;
}

.analyze-btn {
  width: 100%; padding: 11px; background: var(--ink); color: var(--paper);
  border: none; border-radius: 10px; font-size: 16px; font-weight: 500;
  cursor: pointer; font-family: inherit; transition: background .15s;
}
.analyze-btn:hover { background: var(--ink2); }
.analyze-btn:disabled { background: var(--ink4); cursor: not-allowed; }

.cal-display {
  background: var(--grain-bg); color: var(--grain-h); font-weight: 600;
  font-size: 16px; padding: 9px 12px; border-radius: 8px; text-align: center;
  border: 1.5px solid var(--grain-soft);
}

.reanalyze-btn {
  width: 100%; padding: 8px; background: none; color: var(--grain-h);
  border: 1.5px solid var(--grain-h); border-radius: 8px; font-size: 14px;
  font-weight: 500; cursor: pointer; font-family: inherit; transition: all .15s;
}
.reanalyze-btn:hover { background: var(--grain-bg); }
.reanalyze-btn:disabled { opacity: .5; cursor: not-allowed; }

.result-label { font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--grain-h); text-transform: uppercase; margin-bottom: 10px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.result-full { grid-column: 1/-1; }
.result-grid label { font-size: 14px; color: var(--ink3); display: block; margin-bottom: 3px; }
.result-grid input {
  width: 100%; padding: 7px 10px; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); font-size: 16px; font-family: inherit; background: var(--paper); color: var(--ink);
}
.result-grid input:focus, .result-grid textarea:focus { outline: none; border-color: var(--grain-h); }
.result-grid textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); font-size: 16px; font-family: inherit; background: var(--paper); color: var(--ink);
  resize: none; line-height: 1.5;
}

.modal-footer { display: flex; gap: 8px; padding: 12px 20px; padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--border); flex-shrink: 0; }
.modal-manual-btn {
  flex: 0; padding: 10px 14px; background: none; border: 1px solid var(--border2);
  border-radius: 9px; font-size: 15px; cursor: pointer; font-family: inherit; color: var(--ink3); white-space: nowrap;
}
.modal-manual-btn:hover { border-color: var(--grain-h); color: var(--grain-h); }
.modal-save-btn {
  flex: 1; padding: 10px; background: var(--grain-h); color: var(--ink);
  border: none; border-radius: 9px; font-size: 16px; font-weight: 500; cursor: pointer; font-family: inherit;
}
.modal-save-btn:hover { background: #c4922a; }
.modal-save-btn:disabled { background: var(--ink4); cursor: not-allowed; }

.err-box { background: var(--prot-bg); color: var(--prot-h); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 15px; }

/* ── TOAST ───────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(10px);
  z-index: 400; background: var(--ink); color: var(--paper);
  padding: 10px 20px; border-radius: 20px; font-size: 16px;
  opacity: 0; transition: all .25s; pointer-events: none; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (min-width: 700px) {
  .toast { bottom: 20px; left: auto; right: 20px; transform: translateY(8px); border-radius: 9px; }
  .toast.show { transform: translateY(0); }
}

/* ── MOBILE BOTTOM NAV ───────────────────────────────── */
.bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--white); border-top: 1px solid var(--border);
  z-index: 100; height: var(--bnav-h);
}
.bnav-btn {
  flex: 1; border: none; background: none; font-size: 14px; color: var(--ink3);
  cursor: pointer; font-family: inherit; padding: 8px 0; line-height: 1.4;
  display: flex; flex-direction: column; align-items: center; gap: 2px; transition: color .15s;
}
.bnav-btn span { font-size: 14px; }
.bnav-btn.active { color: var(--grain-h); font-weight: 600; }

/* ── RESPONSIVE ──────────────────────────────────────── */

/* Tablet: hide left panel */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .left-panel { display: none; }
}

/* 手機版摘要/紀錄 tab 列 */
.mobile-record-tabs {
  display: none; /* 桌面版隱藏 */
}
.mobile-summary-wrap { display: none; }
@media (max-width: 900px) {
  .mobile-record-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
    background: var(--paper2);
    border-radius: 10px;
    padding: 3px;
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .mob-tab {
    flex: 1;
    padding: 7px 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--ink3);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
  }
  .mob-tab.active {
    background: var(--white);
    color: var(--ink);
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  }
  .mobile-summary-wrap { padding: 0; }
}

/* Mobile: show bottom nav, shrink topbar */
@media (max-width: 600px) {
  :root { --bnav-h: 58px; }
  .app { height: calc(100vh - var(--topbar-h) - var(--bnav-h)); }
  .bottom-nav { display: flex; }
  .topbar-right { display: none; }
  .topbar-center { justify-content: center; }
  #dateLabel { min-width: 110px; font-size: 15px; }
  .main-area { padding: 14px 12px; }
  .meal-card { border-radius: 10px; }
  .mobile-export-btn { display: flex; }
  .content-card { padding: 16px; }
}

/* Very small phones */
@media (max-width: 380px) {
  #dateLabel { min-width: 90px; font-size: 14px; }
  .logo { font-size: 18px; }
}

/* ── Login Overlay ─────────────────────────────────────────── */
#loginOverlay {
  position: fixed; inset: 0; z-index: 9999;
  background: #f5f0e8;
  display: flex; align-items: center; justify-content: center;
}
.login-card {
  background: #fff; border-radius: 16px; padding: 40px 32px;
  width: 100%; max-width: 380px; box-shadow: 0 8px 32px rgba(0,0,0,.1);
  display: flex; flex-direction: column; gap: 12px;
}
.login-logo {
  font-family: 'Noto Serif TC', serif; font-size: 30px; font-weight: 900;
  color: #3a3020; text-align: center; margin-bottom: 8px;
}
.login-logo span { color: #d4a24c; }
.login-input {
  width: 100%; padding: 10px 14px; border: 1.5px solid #ddd; border-radius: 8px;
  font-size: 17px; outline: none; box-sizing: border-box;
}
.login-input:focus { border-color: #d4a24c; }
.login-btn-primary {
  width: 100%; padding: 11px; background: #d4a24c; color: #fff;
  border: none; border-radius: 8px; font-size: 17px; font-weight: 600; cursor: pointer;
}
.login-btn-primary:hover { background: #c4923c; }
.login-btn-secondary {
  width: 100%; padding: 10px; background: transparent; color: #666;
  border: 1.5px solid #ddd; border-radius: 8px; font-size: 16px; cursor: pointer;
}
.login-btn-secondary:hover { border-color: #aaa; }
.login-btn-oauth {
  width: 100%; padding: 10px; background: #f8f6f0; color: #333;
  border: 1.5px solid #ddd; border-radius: 8px; font-size: 16px; cursor: pointer;
}
.login-btn-oauth:hover { background: #ede8dc; }
.login-btn-text {
  background: none; border: none; color: #aaa; font-size: 15px;
  cursor: pointer; padding: 4px 0; text-decoration: underline;
}
.login-btn-text:hover { color: #888; }
.login-subtitle { color: #888; font-size: 15px; text-align: center; margin-bottom: 4px; }
.login-tabs {
  display: flex; gap: 0; border-radius: 8px; overflow: hidden;
  border: 1.5px solid #ddd; margin-bottom: 4px;
}
.login-tab {
  flex: 1; padding: 10px 0; border: none; background: #f8f6f0;
  font-size: 16px; font-weight: 500; cursor: pointer; color: #999;
  transition: all .2s;
}
.login-tab.active {
  background: #d4a24c; color: #fff; font-weight: 600;
}
.login-divider { text-align: center; color: #aaa; font-size: 16px; margin: 4px 0; }
.login-error { color: #c0392b; font-size: 16px; min-height: 18px; text-align: center; }

/* ── API Key 管理按鈕 ─────────────────────────────────────── */
.btn-sm {
  padding: 5px 10px; border-radius: 6px; font-size: 15px;
  border: 1.5px solid #ddd; background: #fff; cursor: pointer; white-space: nowrap;
  margin-left: 4px;
}
.btn-sm:hover { background: #f5f0e8; }
.btn-danger { border-color: #e0a0a0; color: #c0392b; }
.btn-danger:hover { background: #fdf0f0; }

/* ── Export Button ─────────────────────────────────────────── */
.export-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ink2);
  cursor: pointer;
  transition: background 0.15s;
  margin-left: 4px;
}
.export-btn:hover {
  background: rgba(0,0,0,0.08);
}

/* ── Mobile Export Button (in mobile-record-tabs) ──────────── */
.mobile-export-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ink3);
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}
.mobile-export-btn:hover { background: rgba(0,0,0,0.08); }

/* ── Modal Overlay Base ─────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}
.export-modal-box .modal-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--ink3);
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
}
.modal-close:hover { color: var(--ink); }

/* ── Delete Account ──────────────────────────────────────── */
.btn-delete-account {
  background: none; border: none; color: #c44; font-size: 14px;
  cursor: pointer; padding: 4px 0; text-decoration: underline;
}
.btn-delete-account:hover { color: #a33; }
.btn-danger-confirm {
  flex: 1; padding: 10px; background: #c44; color: #fff;
  border: none; border-radius: 9px; font-size: 15px; font-weight: 500;
  cursor: pointer;
}
.btn-danger-confirm:disabled { background: #ccc; cursor: not-allowed; }
.btn-danger-confirm:not(:disabled):hover { background: #a33; }

/* ── THEME SWITCHER ─────────────────────────────────────── */
.theme-switcher {
  display: flex; gap: 0; border-radius: 10px; overflow: hidden;
  border: 1.5px solid var(--border2); background: var(--paper);
}
.theme-btn {
  flex: 1; padding: 9px 0; border: none; background: transparent;
  font-size: 14px; font-weight: 500; cursor: pointer; color: var(--ink3);
  font-family: inherit; transition: all .2s;
}
.theme-btn.active {
  background: var(--grain-h); color: #fff; font-weight: 600;
}
.theme-btn:not(.active):hover { background: var(--paper2); }

/* ── Export Modal ─────────────────────────────────────────── */
.export-modal-box {
  width: 360px;
  max-width: 95vw;
}
.export-section-label {
  font-size: 14px;
  color: var(--ink3);
  margin-bottom: 8px;
  margin-top: 16px;
}
.export-section-label:first-of-type {
  margin-top: 0;
}
.export-quick-btns {
  display: flex;
  gap: 8px;
}
.export-quick-btn {
  flex: 1;
  padding: 8px 0;
  border: 1.5px solid var(--ink4, #ddd);
  border-radius: 8px;
  background: #fff;
  color: var(--ink2);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.export-quick-btn.active,
.export-quick-btn:hover {
  border-color: var(--grain-h, #d4a24c);
  background: var(--grain-bg, #fdf6e8);
  color: var(--grain-h, #d4a24c);
  font-weight: 600;
}
.export-date-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--ink2);
}
.export-date-input {
  border: 1.5px solid var(--ink4, #ddd);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 15px;
  color: var(--ink2);
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
}
.export-field-hint {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink3);
  line-height: 1.6;
  background: var(--bg2, #f8f7f2);
  border-radius: 6px;
  padding: 8px 10px;
}
.export-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}
.export-cancel-btn {
  padding: 8px 18px;
  border: 1.5px solid var(--ink4, #ddd);
  border-radius: 8px;
  background: #fff;
  color: var(--ink2);
  font-size: 15px;
  cursor: pointer;
}
.export-confirm-btn {
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  background: var(--grain-h, #d4a24c);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.export-confirm-btn:hover { opacity: 0.88; }

/* ── DARK THEME OVERRIDES (hardcoded colors) ────────────── */
:is([data-theme="dark"]) #loginOverlay { background: #1a1b26; }
:is([data-theme="dark"]) .login-card { background: #252637; box-shadow: 0 8px 32px rgba(0,0,0,.3); }
:is([data-theme="dark"]) .login-logo { color: #e4e2da; }
:is([data-theme="dark"]) .login-input { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
:is([data-theme="dark"]) .login-input:focus { border-color: #e0b45c; }
:is([data-theme="dark"]) .login-btn-secondary { background: transparent; color: #8a877d; border-color: rgba(255,255,255,.14); }
:is([data-theme="dark"]) .login-btn-secondary:hover { border-color: rgba(255,255,255,.25); }
:is([data-theme="dark"]) .login-btn-oauth { background: #2e2f42; color: #c8c5ba; border-color: rgba(255,255,255,.14); }
:is([data-theme="dark"]) .login-btn-oauth:hover { background: #363850; }
:is([data-theme="dark"]) .login-btn-text { color: #8a877d; }
:is([data-theme="dark"]) .login-btn-text:hover { color: #c8c5ba; }
:is([data-theme="dark"]) .login-tabs { border-color: rgba(255,255,255,.14); }
:is([data-theme="dark"]) .login-tab { background: #2e2f42; color: #8a877d; }
:is([data-theme="dark"]) .login-tab.active { background: #e0b45c; color: #1e1f2b; }
:is([data-theme="dark"]) .login-divider { color: #5a584f; }
:is([data-theme="dark"]) .login-subtitle { color: #8a877d; }
:is([data-theme="dark"]) #lineNotice { background: rgba(106,184,126,.1); border-color: #6ab87e; color: #6ab87e; }
:is([data-theme="dark"]) .modal-box { background: #252637; }
:is([data-theme="dark"]) .btn-sm { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
:is([data-theme="dark"]) .btn-sm:hover { background: #363850; }
:is([data-theme="dark"]) .export-quick-btn { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
:is([data-theme="dark"]) .export-date-input { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
:is([data-theme="dark"]) .export-cancel-btn { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
:is([data-theme="dark"]) .mob-tab.active { background: #2e2f42; color: #e4e2da; }
:is([data-theme="dark"]) .today-pill { color: #1e1f2b; }
:is([data-theme="dark"]) .modal-save-btn { color: #1e1f2b; }
:is([data-theme="dark"]) .config-banner button { color: #1e1f2b; }
:is([data-theme="dark"]) #deleteConfirmInput { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
:is([data-theme="dark"]) #currentUserEmail { color: #c8c5ba !important; }
:is([data-theme="dark"]) #setupHintModal .modal-box { background: #252637; }
:is([data-theme="dark"]) #setupHintModal p { color: #8a877d !important; }
:is([data-theme="dark"]) #setupHintModal div[style*="background:#f5f2ec"] { background: #2e2f42 !important; }
:is([data-theme="dark"]) #setupHintModal div[style*="color:#3a3a2a"] { color: #e4e2da !important; }
:is([data-theme="dark"]) #setupHintModal div[style*="color:#555"] { color: #8a877d !important; }
:is([data-theme="dark"]) #setupHintModal a { color: #6ab87e !important; }
:is([data-theme="dark"]) #setupHintModal button[style*="background:#5a4a3a"] { background: #e0b45c !important; color: #1e1f2b !important; }
:is([data-theme="dark"]) #setupHintModal button[style*="color:#999"] { color: #8a877d !important; }
:is([data-theme="dark"]) .food-desc-inp::placeholder { color: #5a584f; }
:is([data-theme="dark"]) .weight-input { background: #1e1f2b; }
:is([data-theme="dark"]) #apiKeyList span[style*="color:#4a9464"] { color: #6ab87e !important; }
:is([data-theme="dark"]) #apiKeyList span[style*="background:#e8f4e8"] { background: rgba(106,184,126,.12) !important; color: #6ab87e !important; }
:is([data-theme="dark"]) #apiKeyList div[style*="color:#888"] { color: #8a877d !important; }
:is([data-theme="dark"]) #apiKeyList a[style*="color:#3a8a3a"] { color: #6ab87e !important; }
:is([data-theme="dark"]) .api-key-input { background: #1e1f2b !important; color: #e4e2da !important; }

/* System dark: same overrides */
@media (prefers-color-scheme: dark) {
  :is([data-theme="system"]) #loginOverlay { background: #1a1b26; }
  :is([data-theme="system"]) .login-card { background: #252637; box-shadow: 0 8px 32px rgba(0,0,0,.3); }
  :is([data-theme="system"]) .login-logo { color: #e4e2da; }
  :is([data-theme="system"]) .login-input { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
  :is([data-theme="system"]) .login-input:focus { border-color: #e0b45c; }
  :is([data-theme="system"]) .login-btn-secondary { background: transparent; color: #8a877d; border-color: rgba(255,255,255,.14); }
  :is([data-theme="system"]) .login-btn-secondary:hover { border-color: rgba(255,255,255,.25); }
  :is([data-theme="system"]) .login-btn-oauth { background: #2e2f42; color: #c8c5ba; border-color: rgba(255,255,255,.14); }
  :is([data-theme="system"]) .login-btn-oauth:hover { background: #363850; }
  :is([data-theme="system"]) .login-btn-text { color: #8a877d; }
  :is([data-theme="system"]) .login-btn-text:hover { color: #c8c5ba; }
  :is([data-theme="system"]) .login-tabs { border-color: rgba(255,255,255,.14); }
  :is([data-theme="system"]) .login-tab { background: #2e2f42; color: #8a877d; }
  :is([data-theme="system"]) .login-tab.active { background: #e0b45c; color: #1e1f2b; }
  :is([data-theme="system"]) .login-divider { color: #5a584f; }
  :is([data-theme="system"]) .login-subtitle { color: #8a877d; }
  :is([data-theme="system"]) #lineNotice { background: rgba(106,184,126,.1); border-color: #6ab87e; color: #6ab87e; }
  :is([data-theme="system"]) .modal-box { background: #252637; }
  :is([data-theme="system"]) .btn-sm { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
  :is([data-theme="system"]) .btn-sm:hover { background: #363850; }
  :is([data-theme="system"]) .export-quick-btn { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
  :is([data-theme="system"]) .export-date-input { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
  :is([data-theme="system"]) .export-cancel-btn { background: #2e2f42; border-color: rgba(255,255,255,.14); color: #c8c5ba; }
  :is([data-theme="system"]) .mob-tab.active { background: #2e2f42; color: #e4e2da; }
  :is([data-theme="system"]) .today-pill { color: #1e1f2b; }
  :is([data-theme="system"]) .modal-save-btn { color: #1e1f2b; }
  :is([data-theme="system"]) .config-banner button { color: #1e1f2b; }
  :is([data-theme="system"]) #deleteConfirmInput { background: #1e1f2b; border-color: rgba(255,255,255,.14); color: #e4e2da; }
  :is([data-theme="system"]) #currentUserEmail { color: #c8c5ba !important; }
  :is([data-theme="system"]) #setupHintModal .modal-box { background: #252637; }
  :is([data-theme="system"]) #setupHintModal p { color: #8a877d !important; }
  :is([data-theme="system"]) #setupHintModal div[style*="background:#f5f2ec"] { background: #2e2f42 !important; }
  :is([data-theme="system"]) #setupHintModal div[style*="color:#3a3a2a"] { color: #e4e2da !important; }
  :is([data-theme="system"]) #setupHintModal div[style*="color:#555"] { color: #8a877d !important; }
  :is([data-theme="system"]) #setupHintModal a { color: #6ab87e !important; }
  :is([data-theme="system"]) #setupHintModal button[style*="background:#5a4a3a"] { background: #e0b45c !important; color: #1e1f2b !important; }
  :is([data-theme="system"]) #setupHintModal button[style*="color:#999"] { color: #8a877d !important; }
  :is([data-theme="system"]) .food-desc-inp::placeholder { color: #5a584f; }
  :is([data-theme="system"]) .weight-input { background: #1e1f2b; }
  :is([data-theme="system"]) #apiKeyList span[style*="color:#4a9464"] { color: #6ab87e !important; }
  :is([data-theme="system"]) #apiKeyList span[style*="background:#e8f4e8"] { background: rgba(106,184,126,.12) !important; color: #6ab87e !important; }
  :is([data-theme="system"]) #apiKeyList div[style*="color:#888"] { color: #8a877d !important; }
  :is([data-theme="system"]) #apiKeyList a[style*="color:#3a8a3a"] { color: #6ab87e !important; }
  :is([data-theme="system"]) .api-key-input { background: #1e1f2b !important; color: #e4e2da !important; }
}

/* ── 今日教練卡 ─────────────────────────────────────────────── */
.coach-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: linear-gradient(135deg, #2d2f52 0%, #3a3d6b 100%);
  border-radius: 16px;
  padding: 14px 16px;
  margin: 12px 12px 0;
  box-shadow: 0 4px 14px rgba(45, 47, 82, 0.3);
  min-height: 72px;
}

.coach-card__left {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding-top: 2px;
}

.coach-card__icon {
  font-size: 36px;
  line-height: 1;
}

.coach-card__right {
  flex: 1;
  min-width: 0;
}

.coach-card__streak {
  font-size: 11px;
  color: #e8d4a2;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  user-select: none;
}

.coach-chev {
  font-size: 10px;
  transition: transform 0.25s ease;
  display: inline-block;
}

.coach-card--expanded .coach-chev {
  transform: rotate(90deg);
}

.coach-card__body {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  word-break: break-word;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
  opacity: 0;
  margin-bottom: 0;
}

.coach-card--expanded .coach-card__body {
  max-height: 200px;
  opacity: 1;
}

.coach-card--loading .coach-card__body {
  max-height: 60px;
  opacity: 1;
}

.coach-card__cta {
  margin-top: 8px;
}

.coach-card__cta button {
  background: none;
  border: 1px solid #e8d4a2;
  color: #e8d4a2;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.15s;
}

.coach-card__cta button:hover {
  background: rgba(232, 212, 162, 0.15);
}

/* shimmer 動畫（loading 狀態） */
@keyframes shimmer {
  0%   { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.coach-shimmer {
  height: 13px;
  border-radius: 6px;
  background: linear-gradient(90deg,
    rgba(255,255,255,0.08) 0px,
    rgba(255,255,255,0.18) 60px,
    rgba(255,255,255,0.08) 120px);
  background-size: 200px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  margin-bottom: 6px;
  width: 100%;
}

.coach-shimmer--short {
  width: 65%;
}

/* cold_start / no_api_key 時卡片顏色略淺 */
.coach-card--cold,
.coach-card--no-key {
  background: linear-gradient(135deg, #3a3d6b 0%, #4a4e82 100%);
}

/* ── 教練卡每日彈窗 ─────────────────────────────────────────── */
.coach-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.coach-popup-card {
  background: linear-gradient(145deg, #2d2f52 0%, #3a3d6b 60%, #4a4e82 100%);
  border-radius: 24px;
  padding: 36px 28px 28px;
  max-width: 340px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08);
  transform: scale(0.82) translateY(24px);
  opacity: 0;
  transition: transform 0.32s cubic-bezier(0.34,1.56,0.64,1), opacity 0.22s ease;
}

.coach-popup-card--visible {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.coach-popup-icon {
  font-size: 60px;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.coach-popup-streak {
  font-size: 12px;
  color: #e8d4a2;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.coach-popup-body {
  font-size: 15px;
  color: rgba(255,255,255,0.92);
  line-height: 1.7;
  margin-bottom: 28px;
  word-break: break-word;
}

.coach-popup-btn {
  background: linear-gradient(135deg, #e8d4a2 0%, #f0e2b4 100%);
  color: #2d2f52;
  border: none;
  border-radius: 50px;
  padding: 13px 36px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(232,212,162,0.3);
  letter-spacing: 0.3px;
  font-family: inherit;
  width: 100%;
}

.coach-popup-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232,212,162,0.4);
}

.coach-popup-btn:active {
  transform: scale(0.96) translateY(0);
}

/* ── WATER DROP BABY (C+D 方案) ─────────────────────────────── */
:root {
  --water-h: #5a9ab0;
  --water-bg: rgba(90,154,176,.14);
  --water-bright: #7cc5e0;
}

.donut-leg-row.water-row {
  background: var(--water-bg);
  padding: 6px 8px;
  margin: 2px -4px;
  border-radius: 6px;
  cursor: pointer;
}
.donut-leg-row.water-row .expand-caret {
  color: var(--ink4);
  font-size: 10px;
  transition: transform .2s;
  margin-left: 4px;
}
.donut-leg-row.water-row.expanded .expand-caret {
  transform: rotate(90deg);
}

.water-baby-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s ease;
}
.water-baby-panel.open {
  max-height: 600px;
  margin-top: 14px;
}
.water-baby-inner {
  padding: 16px 14px;
  background: linear-gradient(180deg, rgba(90,154,176,.08) 0%, rgba(124,197,224,.04) 100%);
  border: 1px solid rgba(90,154,176,.25);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.baby-stage {
  display: flex;
  align-items: center;
  gap: 14px;
}
.baby-svg-wrap {
  width: 120px;
  height: 130px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 14px rgba(90,154,176,.4));
  animation: babyBounce 3s ease-in-out infinite;
  position: relative;
}
@keyframes babyBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
.baby-svg-wrap.celebrate {
  animation: babyCelebrate .9s ease-in-out infinite;
}
@keyframes babyCelebrate {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  25% { transform: translateY(-8px) rotate(3deg); }
  50% { transform: translateY(-2px) rotate(-2deg); }
  75% { transform: translateY(-6px) rotate(2deg); }
}
#babySparkles {
  animation: sparkleSpin 2s linear infinite;
  transform-origin: 60px 65px;
}
@keyframes sparkleSpin {
  0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
  50% { opacity: .6; transform: scale(1.15) rotate(10deg); }
}
.baby-svg {
  width: 100%;
  height: 100%;
}

.baby-info {
  flex: 1;
  min-width: 0;
}
.baby-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--water-bright);
  line-height: 1.1;
}
.baby-amount .unit {
  font-size: 14px;
  color: var(--ink3);
  font-weight: 500;
  margin-left: 4px;
  cursor: pointer;
  border-bottom: 1px dashed var(--ink4);
}
.baby-amount .unit:hover {
  color: var(--water-bright);
  border-color: var(--water-bright);
}
.baby-mood {
  font-size: 13px;
  color: var(--ink3);
  margin-top: 6px;
}

.water-progress {
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.water-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #5a9ab0 0%, #7cc5e0 100%);
  border-radius: 10px;
  transition: width .4s ease;
  position: relative;
  overflow: hidden;
}
.water-progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  animation: waterShimmer 2.5s infinite;
}
@keyframes waterShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.water-streak {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink3);
}
.water-streak strong {
  color: var(--water-bright);
  font-size: 14px;
  margin: 0 3px;
}

.quick-buttons-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.quick-buttons-row .qbtn {
  min-width: calc(25% - 5px);
  flex: 1;
  padding: 9px 0;
  background: rgba(90,154,176,.15);
  border: 1px solid rgba(90,154,176,.35);
  color: var(--water-bright);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.quick-buttons-row .qbtn:hover {
  background: rgba(90,154,176,.25);
  transform: translateY(-1px);
}
.quick-buttons-row .qbtn:active { transform: translateY(0); }
.quick-buttons-row .qbtn.minus {
  background: rgba(176,90,90,.1);
  border-color: rgba(176,90,90,.35);
  color: #d47a7a;
}
.quick-buttons-row .qbtn.minus:hover { background: rgba(176,90,90,.2); }
.quick-buttons-row .qbtn.custom {
  background: rgba(224,180,92,.12);
  border-color: rgba(224,180,92,.4);
  color: #e0b45c;
}
.quick-buttons-row .qbtn.custom:hover { background: rgba(224,180,92,.22); }

.badge-row {
  display: flex;
  gap: 6px;
  justify-content: space-between;
}
.badge-row .badge {
  flex: 1;
  text-align: center;
  padding: 6px 4px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 18px;
  opacity: .3;
  transition: all .3s;
}
.badge-row .badge.earned {
  opacity: 1;
  background: rgba(224,180,92,.12);
  border-color: rgba(224,180,92,.4);
}
.badge-row .badge-label {
  font-size: 9px;
  color: var(--ink4);
  display: block;
  margin-top: 2px;
}

/* 浮動 FAB */
.water-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5a9ab0, #7cc5e0);
  border: none;
  box-shadow: 0 6px 20px rgba(90,154,176,.45), 0 0 0 4px rgba(90,154,176,.15);
  cursor: pointer;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fabPulse 2.5s ease-in-out infinite;
  padding: 0;
  opacity: 0.55;
  transition: opacity .25s ease;
}
.water-fab:hover, .water-fab:focus, .water-fab:active { opacity: 1; }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 6px 20px rgba(90,154,176,.45), 0 0 0 4px rgba(90,154,176,.15); }
  50% { box-shadow: 0 6px 24px rgba(90,154,176,.6), 0 0 0 8px rgba(90,154,176,.08); }
}
.water-fab svg { width: 36px; height: 38px; }
.water-fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #d4a24c;
  color: #1e1f2b;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  border: 2px solid var(--paper);
}
/* 手機版：上移避開 tab 列 + 只在「紀錄」頁顯示 */
@media (max-width: 860px) {
  .water-fab {
    bottom: 80px;
    right: 16px;
    width: 56px;
    height: 56px;
  }
  .water-fab svg { width: 30px; height: 32px; }
  body:not([data-view="record"]) .water-fab {
    display: none !important;
  }
}

/* Toast */
.water-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(90,154,176,.95);
  color: #fff;
  padding: 10px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all .3s;
  z-index: 200;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.water-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.water-toast.with-progress {
  padding: 12px 20px 10px;
  min-width: 200px;
  text-align: center;
}
.water-toast.with-progress .wt-main {
  font-size: 14px;
  margin-bottom: 3px;
}
.water-toast.with-progress .wt-sub {
  font-size: 11px;
  opacity: .85;
  font-weight: 500;
  margin-bottom: 6px;
}
.water-toast.with-progress .wt-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,.22);
  border-radius: 2px;
  overflow: hidden;
}
.water-toast.with-progress .wt-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #cfe9f4, #fff);
  border-radius: 2px;
  transition: width .5s ease;
}

/* 氣泡動畫 */
.water-bubble {
  position: absolute;
  bottom: 20px;
  width: 6px;
  height: 6px;
  background: rgba(124,197,224,.6);
  border-radius: 50%;
  animation: waterBubbleRise 1.2s ease-out forwards;
  pointer-events: none;
}
@keyframes waterBubbleRise {
  0% { bottom: 20px; opacity: 1; }
  100% { bottom: 100px; opacity: 0; transform: translateX(var(--drift, 10px)); }
}

/* ── 紀錄頁頂部營養素 Pill（手機版限定） ───────────────── */
.nutri-pill {
  display: none; /* 桌面預設隱藏 */
  position: sticky;
  top: 44px;
  z-index: 40;
  background: linear-gradient(180deg, var(--paper), var(--paper2));
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nutri-pill:active { background: var(--paper3); }
@media (max-width: 900px) {
  .nutri-pill { display: flex; }
  .nutri-pill[data-empty="1"] { display: none; }
}
.nutri-pill .np-kcal { display: flex; align-items: baseline; gap: 3px; flex-shrink: 0; }
.nutri-pill .np-kcal .flame { font-size: 13px; }
.nutri-pill .np-kcal b { font-size: 16px; font-weight: 800; color: var(--grain-h); }
.nutri-pill .np-kcal .unit { font-size: 10px; color: var(--ink4); }
.nutri-pill .np-sep { width: 1px; height: 18px; background: var(--border); margin: 0 2px; }
.nutri-pill .np-macro {
  display: inline-flex; align-items: center; gap: 3px;
  color: var(--ink3); font-size: 11px;
}
.nutri-pill .np-macro .dot { width: 6px; height: 6px; border-radius: 50%; }
.nutri-pill .np-macro b { color: var(--ink); font-weight: 700; font-size: 12px; }

/* ── Feedback Toast（紀錄成功後彈出） ───────────────── */
.fb-toast {
  position: fixed;
  left: 50%;
  top: 70px;
  transform: translate(-50%, -120%);
  width: calc(100% - 28px);
  max-width: 402px;
  background: linear-gradient(145deg, var(--paper3, #2e2f42), var(--white, #2c2d40));
  color: var(--ink);
  border: 1px solid var(--border2, rgba(255,255,255,.32));
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(212,162,76,.2);
  opacity: 0;
  transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
  z-index: 9999;
  pointer-events: none;
}
.fb-toast.show { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.fb-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.fb-rating {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 900;
  color: #1e1f2b;
  flex-shrink: 0;
}
.fb-rating-s { background: linear-gradient(135deg, #ffd97a, #d4a24c); box-shadow: 0 0 16px rgba(212,162,76,.5); }
.fb-rating-a { background: linear-gradient(135deg, #a8e0a0, #4a9464); }
.fb-rating-b { background: linear-gradient(135deg, #89c5e0, #5a9ab0); }
.fb-rating-c { background: linear-gradient(135deg, #e0a890, #b05a5a); }
.fb-title { font-size: 12px; color: var(--ink3); line-height: 1.4; }
.fb-title b { color: var(--ink); font-size: 14px; display: block; margin-bottom: 2px; }
.fb-deltas {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px;
}
.fb-chip {
  background: rgba(255,255,255,.05);
  border-radius: 8px;
  padding: 6px 8px;
  text-align: center;
}
.fb-chip .num { font-size: 14px; font-weight: 700; }
.fb-chip .lab { font-size: 10px; color: var(--ink4); margin-top: 2px; }
.fb-chip-k .num { color: var(--grain-h); }
.fb-chip-p .num { color: var(--prot-h); }
.fb-chip-c .num { color: var(--grain-h); }
.fb-today {
  padding: 10px 0 6px;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  margin-bottom: 10px;
}
.fb-today-lbl { font-size: 10px; color: var(--ink4); letter-spacing: .5px; margin-bottom: 6px; }
.fb-today-row {
  display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 11px; color: var(--ink3);
}
.fb-today-row b { color: var(--ink); font-weight: 700; font-size: 12px; }
.fb-msg { font-size: 12px; color: var(--ink3); line-height: 1.5; }
.nutri-pill .np-chev { margin-left: auto; color: var(--ink4); font-size: 10px; }

/* ── Meal Template Chips ─────────────────────────────── */
.meal-tpl-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px 4px;
}
.meal-tpl-chip {
  background: var(--surface2, #2d2f52);
  border: 1px solid var(--accent, #ffd700);
  color: var(--accent, #ffd700);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.meal-tpl-chip:hover,
.meal-tpl-chip:active {
  background: var(--accent, #ffd700);
  color: var(--bg, #13142a);
}