:root{color-scheme:light;--bg:#f6f7f9;--panel:#fff;--ink:#111827;--muted:#697386;--line:#e5e7eb;--brand:#0f766e;--brand2:#1d4ed8;--up:#b42318;--down:#047857;--shadow:0 10px 28px rgba(15,23,42,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB",sans-serif;font-size:15px;line-height:1.45;padding-bottom:76px}
a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 16px;background:#0f172a;color:#fff}.brand{font-size:19px;font-weight:800}.sub{font-size:12px;color:#cbd5e1;margin-top:2px}
main{max-width:920px;margin:0 auto;padding:14px}.bottom{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));z-index:5}.bottom a{text-align:center;padding:9px 2px;border-radius:8px;color:var(--muted);font-weight:650;font-size:13px}.bottom a.active{background:#e6f3f1;color:#075e57}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:14px;box-shadow:var(--shadow)}.panel h2{font-size:17px;margin:0 0 12px}.panel h3{font-size:15px;margin:14px 0 8px}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.panel-title h2{margin:0}.panel-title a{font-size:13px;color:var(--brand2);font-weight:700}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:14px}.metrics div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;box-shadow:var(--shadow)}.metrics span{display:block;color:var(--muted);font-size:12px}.metrics strong{display:block;font-size:22px;margin-top:4px;letter-spacing:0}.up{color:var(--up)}.down{color:var(--down)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 6px;vertical-align:middle}th{font-size:12px;color:var(--muted);font-weight:750}td small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.empty{color:var(--muted);text-align:center;padding:18px}
.tag{display:inline-flex;align-items:center;height:26px;border-radius:6px;padding:0 8px;font-weight:750;font-size:12px}.tag.buy{background:#fee2e2;color:#991b1b}.tag.sell{background:#dcfce7;color:#166534}
.stack{display:grid;gap:11px}.stack label{display:grid;gap:6px;color:#374151;font-weight:650}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:8px;padding:11px 10px;background:#fff;color:#111827;font:inherit}textarea{resize:vertical}button{border:0;border-radius:8px;background:var(--brand);color:#fff;padding:11px 14px;font:inherit;font-weight:800}.ghost{background:rgba(255,255,255,.12);padding:8px 10px}
button:disabled{opacity:.62}.danger{margin-top:12px;background:#b42318}.mini{padding:7px 9px;font-size:12px;border-radius:7px}.inline-form{margin:0}.upload-status{display:grid;gap:7px;border:1px solid #bfdbfe;background:#eff6ff;border-radius:8px;padding:10px}.upload-status strong{font-size:13px;color:#1e3a8a}.progress{height:10px;background:#dbeafe;border-radius:999px;overflow:hidden}.progress span{display:block;width:0;height:100%;background:#2563eb;border-radius:999px;transition:width .18s ease}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}.seg label{display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fafafa}.seg input{width:auto}
.upload-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.shot{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.shot img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#eef2f7}.shot div{padding:8px}.shot strong{display:block;font-size:13px}.shot span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.preview{display:block;width:100%;border-radius:8px;border:1px solid var(--line);max-height:70vh;object-fit:contain;background:#f8fafc}.analysis{white-space:pre-wrap;background:#0f172a;color:#e5e7eb;border-radius:8px;padding:12px;overflow:auto;font-size:13px}
.settings-row{display:grid;gap:4px;padding:10px 0;border-bottom:1px solid var(--line)}.settings-row span{color:var(--muted);font-size:12px}.settings-row code{white-space:normal;word-break:break-all}.hint,.warn{color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:10px}.error{color:#991b1b;background:#fee2e2;border:1px solid #fecaca;border-radius:8px;padding:10px}
.analysis-list{display:grid;gap:8px}.analysis-item{display:grid;gap:3px;border:1px solid var(--line);border-radius:8px;padding:11px;background:#fff}.analysis-item strong{font-size:15px}.analysis-item span{color:var(--muted);font-size:12px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:#0f172a}.login-card{width:min(420px,100%);background:#fff;border-radius:10px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.32);display:grid;gap:12px}.login-card h1{margin:0;font-size:26px}.login-card p{margin:0;color:var(--muted)}
@media (min-width:760px){.metrics{grid-template-columns:repeat(4,1fr)}.upload-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:520px){main{padding:10px}.grid2{grid-template-columns:1fr}th:nth-child(1),td:nth-child(1){max-width:120px}.metrics strong{font-size:20px}}