:root{
  --accent:#ff7a45; --accent-d:#e8612e; --accent-soft:#fff1ea;
  --ink:#1f2430; --mut:#6b7280; --line:#e7e9ee; --bg:#f6f7f9; --card:#ffffff;
  --ok:#1f9d6b; --warn:#e8a13a; --danger:#e5484d;
  --shadow:0 1px 3px rgba(20,24,34,.08),0 6px 20px rgba(20,24,34,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);overscroll-behavior-y:none}
.hidden{display:none !important}
.muted{color:var(--mut)} .small{font-size:13px}
.screen{min-height:100%;display:flex;flex-direction:column;max-width:520px;margin:0 auto;
  background:var(--bg);position:relative}

/* ── topbar ── */
.topbar{display:flex;align-items:center;gap:10px;padding:12px 14px;
  padding-top:calc(12px + env(safe-area-inset-top));
  background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar-title{flex:1;text-align:center;font-weight:700;font-size:17px}
.icon-btn{background:none;border:0;font-size:20px;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:var(--ink)}
.icon-btn:active{background:var(--bg)}
.icon-btn.save-x{font-size:16px;font-weight:700;color:var(--accent);width:auto;padding:0 6px}
.pid-badge{background:var(--accent-soft);color:var(--accent-d);font-weight:800;
  padding:6px 12px;border-radius:99px;font-size:14px}

/* ── onboarding ── */
.onboard{padding:46px 26px;text-align:center;display:flex;flex-direction:column;gap:12px;
  justify-content:center;min-height:100vh}
.onboard .logo{font-size:60px}
.onboard h1{margin:0;font-size:26px}
.field-label{display:block;text-align:left;font-size:13px;color:var(--mut);font-weight:600;
  margin:14px 2px 6px}
.big-input,.big-input:focus{font-size:20px;padding:16px;border:2px solid var(--line);
  border-radius:14px;outline:none;text-align:center;width:100%}
.big-input:focus{border-color:var(--accent)}

/* ── buttons ── */
.btn-primary{background:var(--accent);color:#fff;border:0;border-radius:14px;font-weight:700;
  font-size:16px;padding:14px 18px;width:100%;box-shadow:var(--shadow)}
.btn-primary:active{background:var(--accent-d)}
.btn-primary.big{padding:17px;font-size:17px}
.btn-primary:disabled{background:#f0b89e;box-shadow:none}
.btn-ghost{background:var(--card);color:var(--ink);border:1.5px solid var(--line);
  border-radius:14px;font-weight:600;font-size:15px;padding:13px;width:100%}
.btn-ghost:active{background:var(--bg)}
.btn-danger-ghost{background:none;border:0;color:var(--danger);font-weight:600;padding:12px;width:100%}
.btn-add{background:var(--accent-soft);color:var(--accent-d);border:0;border-radius:10px;
  font-weight:700;font-size:14px;padding:8px 12px}

/* ── home ── */
.home-main,.records-main,.export-main{flex:1;padding:16px;padding-bottom:90px;
  display:flex;flex-direction:column;gap:12px;overflow-y:auto}
.today-card{display:flex;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.today-stat{flex:1;text-align:center}
.today-stat .n{font-size:26px;font-weight:800;line-height:1}
.today-stat .l{font-size:12px;color:var(--mut);margin-top:4px}
.section-h{margin:12px 2px 2px;font-size:15px}

/* ── record list ── */
.rec-list{display:flex;flex-direction:column;gap:10px}
.rec-list.grouped .day-h{font-weight:700;color:var(--accent-d);margin:14px 2px 2px;font-size:15px}
.rec{display:flex;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:10px;box-shadow:var(--shadow);align-items:center}
.rec:active{background:#fcfcfd}
.rec .thumb{width:60px;height:60px;border-radius:10px;object-fit:cover;background:var(--bg);flex:none}
.rec .thumb.noimg{display:flex;align-items:center;justify-content:center;font-size:26px}
.rec .rec-body{flex:1;min-width:0}
.rec .rec-top{display:flex;align-items:center;gap:8px}
.rec .rec-time{font-weight:800;font-size:17px}
.rec .rec-foods{color:var(--ink);font-size:14px;margin-top:2px;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.rec .rec-foods.none{color:var(--mut);font-style:italic}
.rec .rec-pending{font-size:10px;color:var(--warn)}
.rec .chev{color:var(--mut);font-size:18px}

/* ── inputs ── */
.inp{width:100%;font-size:16px;padding:12px;border:1.5px solid var(--line);border-radius:12px;
  outline:none;background:var(--card)}
.inp:focus{border-color:var(--accent)}

/* ── tabbar ── */
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:520px;
  display:flex;background:var(--card);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);z-index:10}
.tab{flex:1;background:none;border:0;padding:8px 0 6px;font-size:22px;color:var(--mut);
  display:flex;flex-direction:column;align-items:center;gap:1px}
.tab span{font-size:11px}
.tab.active{color:var(--accent)}

/* ── misc ── */
.empty{text-align:center;padding:24px 12px}
.sync-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;
  display:flex;flex-direction:column;gap:8px}
.toast{position:fixed;bottom:84px;left:50%;transform:translateX(-50%);background:var(--ink);
  color:#fff;padding:11px 18px;border-radius:99px;font-size:14px;z-index:50;box-shadow:var(--shadow);
  animation:toastin .2s ease}
@keyframes toastin{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
.sync-pill{position:fixed;top:calc(env(safe-area-inset-top) + 8px);left:50%;transform:translateX(-50%);
  z-index:60;padding:5px 14px;border-radius:99px;font-size:13px;font-weight:600;box-shadow:var(--shadow);
  transition:opacity .25s;white-space:nowrap}
.sync-pill.syncing{background:#fff4e8;color:#b8542f;border:1px solid #ffd9c2}
.sync-pill.done{background:#e9f7ee;color:#1f9254;border:1px solid #bfe8cf}
.sync-pill.pending{background:#fff1f0;color:#cf3b36;border:1px solid #ffd0cd}

/* ── v2: accessibility (touch targets ≥44px) ── */
.icon-btn{min-width:44px;min-height:44px;width:auto;height:auto}
.icon-btn.save-x{min-width:60px}

/* ── v2: contrast fixes (WCAG) ── */
.rec-pending{color:#9a5d12;font-weight:700}
.btn-primary:disabled{background:#cf8059;color:#fff;box-shadow:none}

/* ── v2: new components ── */
.topwarn{position:sticky;top:0;z-index:40;background:#fff3cd;color:#7a5b00;border-bottom:1px solid #f0d98a;
  padding:10px 14px;font-size:13px;line-height:1.45;text-align:center}
.nudge{background:#fff7ea;border:1px solid #f0d98a;color:#8a5a12;border-radius:12px;
  padding:11px 14px;font-size:13px;line-height:1.5}
.miss-nudge{display:flex;align-items:center;gap:8px;background:#fff1ea;border:1px solid #ffc9ad;
  color:#b8542f;border-radius:12px;padding:10px 12px;font-size:13px;line-height:1.5}
.miss-nudge #miss-text{flex:1;min-width:0}
.miss-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}
.miss-btn{background:var(--accent);color:#fff;border:none;border-radius:99px;
  padding:6px 14px;font-size:13px;font-weight:600}
.miss-x{background:transparent;border:none;color:#c9855f;font-size:20px;line-height:1;
  padding:4px 6px}
.miss-btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.beian{text-align:center;padding:16px 0 22px}
.beian a{color:#b6bcc8;font-size:12px;text-decoration:none}
.rec-add{font-size:12px}
.consent-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:6px 16px;
  box-shadow:var(--shadow)}
.consent-box p{font-size:14px;line-height:1.6}
.consent-box b{color:var(--ink)}
.consent-agree-row{display:flex;align-items:flex-start;gap:10px;padding:14px 4px;font-size:15px}
.consent-agree-row input{width:22px;height:22px;flex:none;margin-top:1px}

/* ── v3: new branching flow ── */
.pad-main{flex:1;padding:16px;padding-bottom:90px;display:flex;flex-direction:column;gap:12px;overflow-y:auto}
.center-main{justify-content:center}
.big-q{font-size:20px;font-weight:800;text-align:center;margin:4px 0 14px}
.opt{font-weight:500;color:var(--mut);font-size:12px}

/* mode cards (home) */
.mode-card{display:flex;flex-direction:column;align-items:flex-start;gap:2px;border:0;border-radius:20px;
  padding:20px 20px;color:#fff;text-align:left;box-shadow:var(--shadow)}
.mode-card:active{transform:scale(.99)}
.mode-card.live{background:linear-gradient(135deg,#ee6a33,#ff9a5c)}
.mode-card.recall{background:linear-gradient(135deg,#2f7d8a,#46a7b3)}
.mode-card .mc-emoji{font-size:34px}
.mode-card .mc-main{font-size:22px;font-weight:800;margin-top:2px}
.mode-card .mc-sub{font-size:13px;opacity:.95}

/* branch buttons */
.branch-btn{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--card);
  border:1.5px solid var(--line);border-radius:18px;padding:24px 16px;box-shadow:var(--shadow);margin-bottom:4px}
.branch-btn:active{background:var(--bg)}
.branch-btn .bb-emoji{font-size:40px}
.branch-btn .bb-main{font-size:20px;font-weight:800}
.branch-btn .bb-sub{font-size:13px;color:var(--mut)}

/* time block */
.time-block .inp.hl{border-color:var(--accent);background:var(--accent-soft);font-weight:700}

/* photo strip with removable thumbs */
.photo-strip{display:flex;gap:8px;flex-wrap:wrap;align-items:center;min-height:40px}
.photo-strip .ph{position:relative}
.photo-strip .ph img{width:104px;height:104px;border-radius:12px;border:1px solid var(--line);object-fit:cover}
.photo-strip .ph-x{position:absolute;top:-7px;right:-7px;width:24px;height:24px;border-radius:99px;
  background:var(--ink);color:#fff;border:2px solid #fff;font-size:15px;line-height:1;display:flex;
  align-items:center;justify-content:center;padding:0}
.photo-add-row{display:flex;gap:10px}
.btn-ghost.half{width:auto;flex:1}

/* textarea + inline mic */
.ta-wrap{position:relative}
.ta{width:100%;resize:vertical;min-height:52px;line-height:1.5}
.mic-btn{position:absolute;right:8px;bottom:8px;width:40px;height:40px;border-radius:99px;
  border:1.5px solid var(--line);background:var(--card);font-size:18px;display:flex;align-items:center;justify-content:center}
.mic-btn:active{background:var(--bg)}
.mic-btn.rec{background:var(--danger);color:#fff;border-color:var(--danger)}

/* record row mode tag */
.rec-mode{font-size:11px;padding:1px 8px;border-radius:99px;background:#e6f3f5;color:#2f7d8a;font-weight:700}

/* ── 我的: profile card ── */
.profile-card{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.pf-avatar{width:52px;height:52px;border-radius:99px;background:var(--accent-soft);display:flex;
  align-items:center;justify-content:center;font-size:28px;flex:none}
.pf-name{font-size:18px;font-weight:800}
.pf-id{font-size:13px;color:var(--mut);margin-top:2px}

/* ── export range modal ── */
.modal-backdrop{position:fixed;inset:0;background:rgba(20,24,34,.45);z-index:40;
  display:flex;align-items:center;justify-content:center;padding:24px}
.modal{background:var(--card);width:100%;max-width:420px;border-radius:18px;padding:18px;
  box-shadow:var(--shadow)}
.modal-title{font-weight:800;font-size:18px;text-align:center;margin-bottom:10px}
.radio-row{display:flex;align-items:center;gap:10px;padding:12px 4px;font-size:16px;
  border-bottom:1px solid var(--line)}
.radio-row input{width:20px;height:20px;flex:none}
.range-dates{display:flex;gap:10px;margin-top:10px}
.range-dates .field{flex:1}
.modal-actions{display:flex;gap:10px;margin-top:16px}
.modal-actions .btn-ghost,.modal-actions .btn-primary{width:auto;flex:1}

.meal-h{font-size:12px;color:#9aa3af;font-weight:600;margin:6px 4px 2px}