:root{--bg:#f1f9f8;--panel:#fff;--ink:#173d3b;--muted:#587574;--line:#d4e7e5;--green:#007973;--orange:#f58217;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,sans-serif}[hidden]{display:none!important}
button,input,select{font:inherit}button,.button{min-height:46px;padding:11px 16px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);cursor:pointer;text-align:center;text-decoration:none}button:disabled{opacity:.5;cursor:default}button:hover,.button:hover{border-color:var(--green)}.primary{background:var(--green);color:#fff;border-color:var(--green)}:focus-visible{outline:3px solid #00958f;outline-offset:3px}
header{max-width:960px;margin:auto;padding:20px 22px;display:flex;align-items:center;gap:13px;border-top:4px solid #00958f;border-bottom:1px solid var(--line)}header img{width:55px;height:55px;object-fit:contain;border-radius:9px;border:1px solid var(--line);background:#fff}header h1{font-size:17px;line-height:1.5;margin:0}header .pill{margin-left:auto;white-space:nowrap}.pill{font-size:11px;border:1px solid var(--line);border-radius:30px;background:#e0f3f0;padding:5px 10px}
main{max-width:900px;margin:auto;padding:20px 22px calc(110px + env(safe-area-inset-bottom))}.heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0 22px}h2{font-size:26px;line-height:1.3;margin:6px 0}.heading h2{text-decoration:underline;text-decoration-color:var(--orange);text-decoration-thickness:3px;text-underline-offset:9px}h3{font-size:17px;margin:0 0 8px}h4{font-size:14px;margin-bottom:10px}small{font-size:10px;letter-spacing:1.8px;color:var(--green)}p{margin:7px 0;color:var(--muted)}a{color:var(--green)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:18px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:12px}.row{display:flex;align-items:center;justify-content:space-between;gap:15px}.row p{font-size:12px}.cameraTools{display:flex;gap:10px;margin:14px 0}.cameraTools>*{flex:1;min-width:0}.wide{width:100%;margin-top:12px}.button{display:block;margin-top:12px}
.viewer{position:relative;aspect-ratio:4/3;background:#102d2c;color:#dcf3f0;border:1px solid #245451;border-radius:20px;overflow:hidden}.viewer video,.viewer canvas,.viewer>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.viewer canvas{pointer-events:none}.viewer.alarming{outline:4px solid var(--orange)}#emptyView{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}#emptyView span{font-size:60px;color:#53d0c6}#emptyView h3{color:#e1f4f1}#emptyView p{font-size:13px;color:#a1c6c1}.feedTag,.scanStatus{position:absolute;left:14px;max-width:90%;font-size:11px;padding:5px 9px;border-radius:5px;background:#092b29e6}.feedTag{top:14px}.scanStatus{bottom:14px}
label{display:block;font-size:12px;color:var(--muted)}input:not([type=checkbox]),select{width:100%;min-height:46px;padding:10px;margin-top:5px;border:1px solid var(--line);border-radius:8px;background:#f6fbfa;color:var(--ink)}input[type=checkbox]{width:18px;height:18px;vertical-align:middle;accent-color:var(--green)}input[type=range]{accent-color:var(--green)}.hint{font-size:12px;line-height:1.8}.notice{padding:12px;margin:14px 0;background:#fff2e3;border-left:3px solid var(--orange);border-radius:5px;font-size:12px}.alert{padding:14px;margin-top:14px;border:1px solid var(--orange);border-radius:10px;background:#fff0df;color:#804000;font-weight:700}summary{cursor:pointer;font-weight:600}details p,li{font-size:13px}
.photoGrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.photoGrid figure{margin:0}.photoGrid img{width:100%;height:180px;object-fit:contain;background:#edf7f5;border-radius:8px}.event{padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}
nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;background:#fffffff5;border-top:1px solid var(--line);padding:8px max(12px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom));backdrop-filter:blur(12px);z-index:5}nav button{width:180px;min-height:52px;border:0;border-radius:9px;background:none;font-size:22px;line-height:1.1}nav span{display:block;font-size:11px;margin-top:5px}nav button.active{background:#dff3ef;color:#006c66;box-shadow:inset 0 -3px var(--orange)}#toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);max-width:90%;width:max-content;background:#006c66;color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;z-index:20}
@media(max-width:600px){header{padding:14px;gap:10px}header img{width:44px;height:44px}header h1{font-size:14px}header .pill{display:none}main{padding:15px 14px calc(100px + env(safe-area-inset-bottom))}h2{font-size:24px}.heading{align-items:start}.heading .pill{font-size:10px;max-width:120px}.card{padding:16px}.grid{gap:12px}.cameraTools{gap:8px}.cameraTools button{font-size:13px;padding:10px 8px}.viewer{aspect-ratio:3/4;border-radius:16px}.row{flex-wrap:wrap}.photoGrid img{height:130px}}