:root{color-scheme:light;--ink:#182230;--muted:#718096;--line:#e7ebf0;--green:#18794e;--green-dark:#11643f;--bg:#f7f9fc;--card:#fff;--soft:#edf8f1}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
button{font:inherit;cursor:pointer}.app-shell{max-width:520px;min-height:100dvh;margin:0 auto;padding:calc(18px + env(safe-area-inset-top)) 18px calc(92px + env(safe-area-inset-bottom))}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:800;color:var(--green);margin:0 0 5px}.topbar h1{font-size:30px;letter-spacing:-.04em;margin:0;font-weight:760}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#dff3e7;color:var(--green);font-size:13px;font-weight:800}
.notice{display:flex;gap:10px;padding:13px 14px;border:1px solid #f0d9a5;background:#fff8e7;border-radius:15px;margin-bottom:16px}.notice-dot{width:9px;height:9px;border-radius:50%;background:#c58b12;margin-top:5px;flex:none}.notice strong{font-size:12px}.notice p{margin:3px 0 0;font-size:12px;line-height:1.45;color:#715c2c}
.glucose-card{background:linear-gradient(145deg,#176e48,#21875a);border-radius:23px;padding:20px;color:white;box-shadow:0 9px 25px #18794e20}.card-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#e1f4e8}.demo-pill{background:#ffffff24;border:1px solid #ffffff50;padding:4px 7px;border-radius:6px;font-size:9px;font-weight:800;letter-spacing:.1em}.reading-row{display:flex;align-items:center;justify-content:space-between;margin:18px 0 4px}.reading{font-size:55px;font-weight:750;letter-spacing:-.055em;line-height:1}.reading span{font-size:14px;letter-spacing:0;font-weight:500}.trend{font-size:27px;font-weight:700;text-align:center}.trend small{display:block;font-size:10px;font-weight:600}.muted{color:var(--muted);font-size:12px}.glucose-card .muted{color:#d7ede0;margin:8px 0 19px}.range-bar{height:7px;border-radius:10px;background:linear-gradient(90deg,#e5b34c 0 15%,#c5f0d5 15% 78%,#f1c1a6 78%);position:relative}.range-marker{position:absolute;left:49%;top:50%;transform:translate(-50%,-50%);width:15px;height:15px;background:white;border:3px solid #18794e;border-radius:50%;box-shadow:0 0 0 2px #ffffff70}.range-labels{display:flex;justify-content:space-between;font-size:10px;color:#e0f2e7;margin-top:9px}
.section{margin-top:25px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title h2{font-size:17px;letter-spacing:-.02em;margin:0}.text-button{border:0;background:transparent;color:var(--green);font-size:12px;font-weight:700}.date-label{font-size:11px;color:var(--muted)}
.chart-card,.stat-card{background:var(--card);border:1px solid var(--line);border-radius:17px}.chart-card{padding:15px 13px 11px}.chart-summary{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.chart-summary strong{color:var(--ink);font-size:13px}.chart{width:100%;height:auto;display:block;margin-top:8px}.chart-footnote{font-size:10px;color:#7d8796;margin:3px 0 0}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:14px 13px}.stat-card>span{font-size:11px;color:var(--muted)}.stat-card strong{display:block;font-size:25px;letter-spacing:-.04em;margin:8px 0 3px}.stat-card strong small{font-size:11px;letter-spacing:0;font-weight:600}.stat-card p{font-size:10px;color:#8a94a2;margin:0}
.log-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.log-button{border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px 8px;display:flex;flex-direction:column;align-items:center;gap:7px;color:var(--ink)}.log-button span{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--soft);color:var(--green);font-size:20px}.log-button strong{font-size:12px}.log-message{font-size:11px;color:var(--muted);margin-top:10px;min-height:15px}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(520px,100%);padding:10px 15px calc(9px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);background:#ffffffed;backdrop-filter:blur(16px);border-top:1px solid var(--line);z-index:5}.nav-item{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:4px;color:#8a94a2;font-size:10px;padding:3px}.nav-item span{font-size:20px;line-height:1.1}.nav-item.active{color:var(--green);font-weight:750}footer{text-align:center;font-size:10px;line-height:1.5;color:#929baa;margin:25px 5px 0}
@media(min-width:600px){body{padding:20px 0}.app-shell{border:1px solid var(--line);border-radius:28px;min-height:calc(100dvh - 40px);box-shadow:0 10px 40px #19283a0a}.bottom-nav{bottom:20px;border:1px solid var(--line);border-radius:0 0 28px 28px}}