:root {
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#111827;
  --soft:#eef2f7;
  --good:#e8f7ee;
  --warn:#fff7df;
  --danger:#fdecec;
  --radius:20px;
  --shadow:0 8px 28px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif}
body{min-height:100vh}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{max-width:720px;margin:0 auto;min-height:100vh;padding-bottom:92px}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:calc(12px + env(safe-area-inset-top)) 18px 12px;background:rgba(244,247,251,.92);backdrop-filter:blur(18px)}
.eyebrow{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
h1{font-size:28px;margin:2px 0 0}
h2{font-size:20px;margin:0}
h3{font-size:17px;margin:0}
p{line-height:1.45}
.icon-btn{border:0;background:var(--card);width:42px;height:42px;border-radius:14px;box-shadow:var(--shadow)}
main{padding:0 16px 24px}
.card{background:var(--card);border-radius:var(--radius);padding:16px;margin:12px 0;box-shadow:var(--shadow)}
.card.compact{padding:14px}
.row{display:flex;gap:10px;align-items:center}.row.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.muted{color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--soft);padding:8px 10px;border-radius:999px;font-size:13px}
.chip.good{background:var(--good)}
.chip.warn{background:var(--warn)}
.btn{border:0;border-radius:14px;padding:12px 14px;background:var(--accent);color:white;font-weight:650}
.btn.secondary{background:var(--soft);color:var(--text)}
.btn.ghost{background:white;color:var(--text);border:1px solid var(--line)}
.btn.small{padding:8px 10px;border-radius:10px;font-size:13px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{background:var(--soft);border-radius:16px;padding:12px}.metric b{display:block;font-size:20px}.metric span{font-size:12px;color:var(--muted)}
.meal{display:grid;grid-template-columns:62px 1fr auto;gap:12px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}
.meal:last-child{border-bottom:0}.meal-time{font-weight:700}.meal-title{font-weight:700}.meal-sub{font-size:13px;color:var(--muted);margin-top:3px}
.timeline-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:6px}
.notice{padding:12px;border-radius:14px;background:var(--warn);font-size:14px}
.person{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.person:last-child{border-bottom:0}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-weight:800}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(720px,100%);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(20px);border-top:1px solid var(--line);z-index:20}
.nav-item{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 2px;color:var(--muted)}.nav-item.active{color:var(--text);font-weight:700}.nav-item span{font-size:21px}.nav-item small{font-size:11px}
.day-tabs{display:flex;gap:8px;overflow:auto;padding:4px 0 8px}.day-tab{min-width:74px;border:0;background:var(--card);padding:10px;border-radius:14px}.day-tab.active{background:var(--accent);color:white}
.check-item{display:flex;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
input[type="checkbox"]{width:20px;height:20px}
input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:white}
label{font-size:13px;color:var(--muted);display:block;margin:10px 0 6px}
.modal{border:0;padding:0;background:transparent;width:min(680px,calc(100% - 20px))}.modal::backdrop{background:rgba(0,0,0,.35);backdrop-filter:blur(4px)}.modal-card{background:var(--bg);border-radius:24px;padding:16px;max-height:88vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.feedback{display:flex;gap:8px;justify-content:space-between}.feedback button{flex:1;border:1px solid var(--line);background:white;border-radius:12px;padding:10px;font-size:20px}
.section-title{margin:20px 2px 6px}.progress{height:8px;border-radius:999px;background:var(--soft);overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);border-radius:999px}
@media (min-width:700px){main{padding-left:24px;padding-right:24px}.topbar{padding-left:26px;padding-right:26px}}
.date-nav{display:flex;align-items:center;justify-content:space-between;margin:4px 2px 14px}.date-nav h2{margin:2px 0 0}.tiny{font-size:11px;color:var(--muted);margin-top:3px}.choice{width:100%;text-align:left;border:1px solid var(--border);background:var(--card);padding:12px;border-radius:14px;margin:6px 0;color:var(--text)}.choice b{display:block}.choice span{display:block;color:var(--muted);font-size:12px;margin-top:4px}