:root{color-scheme:light;--bg:#f5f7f8;--surface:#fff;--ink:#172b35;--muted:#526772;--border:#dce3e6;--accent:#146354;--hover:#0e4c40;--tint:#eaf4ef;--error:#9a3025;--radius:12px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.6;min-height:100dvh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer;min-height:48px;border-radius:8px;border:1px solid transparent;padding:10px 22px;font-weight:600;transition:background .15s}button:active{filter:brightness(.93)}input{width:100%;min-width:0;min-height:50px;padding:12px 14px;color:var(--ink);background:var(--surface);border:1px solid #a9b9c0;border-radius:8px}input::placeholder{color:#637780}input[aria-invalid=true]{border-color:var(--error)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}label{display:block;margin-bottom:10px;font-size:14px;font-weight:600}.header{padding:24px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--border);background:var(--surface)}.brand{display:flex;align-items:center;gap:12px;font-weight:650;letter-spacing:.025em}.brand-mark{background:var(--accent);color:white;display:grid;place-items:center;width:36px;height:36px;border-radius:8px;font-family:monospace;font-size:23px}.header-note{font-size:13px;color:var(--muted)}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.12em;color:var(--accent);margin:0 0 16px}h1,h2,p{margin-top:0}h1{font-size:36px;line-height:1.35;letter-spacing:-.03em;margin-bottom:18px}h2{font-size:21px;line-height:1.4;margin-bottom:12px}.description{color:var(--muted);line-height:1.9;margin-bottom:32px}.muted{color:var(--muted)}.small{font-size:13px;line-height:1.7;margin:12px 0 0}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.primary{background:var(--accent);color:white}.primary:hover{background:var(--hover)}.secondary{background:var(--surface);color:var(--muted);border-color:var(--border);font-size:14px}.secondary:hover{background:var(--bg)}.login-layout{width:min(100% - 64px,1040px);margin:auto;display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:center;padding:72px 0}.intro h1{font-size:44px;line-height:1.45}.intro-note{font-size:13px;border-left:2px solid var(--accent);padding-left:12px;color:var(--muted)}.login-panel{padding:36px}.login-panel h2{font-size:24px}.login-panel>.muted{font-size:14px}.login-form{margin-top:28px}.login-form .primary{width:100%;margin-top:20px}.error{font-size:14px;color:var(--error);margin:12px 0 0}.query-layout{width:min(100% - 48px,840px);margin:0 auto;padding:56px 0 72px;flex:1}.query-layout>h1{font-size:32px}.query-layout>.eyebrow{margin-bottom:12px}.search-panel{padding:28px}.search-row{display:grid;grid-template-columns:1fr auto;gap:12px}.search-row input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:17px}.result-panel{padding:28px;margin-top:24px}.result-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.result-heading h2{margin:0}.badge{font-size:12px;font-weight:600;background:var(--tint);color:var(--accent);border-radius:6px;padding:5px 10px;white-space:nowrap}dl{margin:0}.data-row{display:grid;grid-template-columns:145px minmax(0,1fr);gap:20px;border-bottom:1px solid var(--border);padding:20px 0}.data-row:last-child{border-bottom:0}dt{font-size:14px;color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums;user-select:all}.sim-number{font-size:20px;font-weight:600;color:var(--accent)}.message{padding:36px 28px;margin-top:24px;border:1px dashed #b8c9cf;border-radius:var(--radius)}.message h2{font-size:19px}.message p:last-child{color:var(--muted);font-size:14px;margin:0}.message .eyebrow{margin-bottom:12px}.initial-state{padding:40px 28px}.error-message{border-color:#d8b3ad;background:#fff8f6}.error-message h2,.error-message p:last-child{color:var(--error)}footer{width:90%;margin:0 auto;display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--border);padding:22px 0;color:var(--muted);font-size:12px}footer>span{letter-spacing:.04em}
@media(max-width:768px){.login-layout{gap:32px;grid-template-columns:1fr;width:min(100% - 40px,480px);padding:40px 0}.intro h1{font-size:32px}.intro .description{margin-bottom:20px}.login-panel{padding:28px}.query-layout{padding-top:36px}.query-layout>h1{font-size:28px}.data-row{grid-template-columns:120px minmax(0,1fr);gap:12px}.sim-number{font-size:18px}}
@media(max-width:480px){.header{padding:16px 20px}.header-note{display:none}.brand{gap:8px;font-size:15px}.secondary{padding:8px 12px;min-height:44px}.query-layout{width:calc(100% - 32px)}.search-panel,.result-panel{padding:22px}.search-row{grid-template-columns:1fr}.search-row .primary{width:100%}.data-row{grid-template-columns:1fr;gap:8px;padding:16px 0}.message{padding:28px 22px}footer{width:calc(100% - 40px);flex-wrap:wrap}.desktop-break{display:none}.login-panel{padding:24px}.intro h1{font-size:30px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}