:root{--deep-navy: #05101a;--navy-2: #071827;--steel: #808b96;--steel-soft: #a7b1bb;--cyan: #4af2f2;--electric: #00ced1;--white: #ffffff;--line: rgba(255, 255, 255, .16);--line-strong: rgba(74, 242, 242, .52);--danger: #f08b7d;--watch: #d7c66b;color:var(--white);background:var(--deep-navy);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--deep-navy)}button,input,select,textarea{font:inherit}a{color:var(--cyan);text-decoration:none}.app-shell{width:min(1180px,calc(100vw - 32px));min-height:100vh;margin:0 auto;padding:28px 0}.topbar,.workspace,.trust-strip,.explain-row,.split-fields,.panel-heading,.under-hood,.result-topline,.result-footer,.header-note{display:flex}.topbar{align-items:center;gap:18px;min-height:86px;border-bottom:1px solid var(--line)}.brand-mark{position:relative;width:42px;height:42px;border:1px solid var(--line-strong);display:grid;place-items:center}.brand-mark:before,.brand-mark:after{content:"";position:absolute;top:9px;right:9px;bottom:9px;left:9px;border:1px solid rgba(255,255,255,.42)}.brand-mark:after{top:16px;right:16px;bottom:16px;left:16px;border-color:var(--cyan)}.brand-core{width:6px;height:6px;background:var(--cyan)}.eyebrow{margin:0 0 4px;color:var(--steel-soft);font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(1.7rem,3vw,2.8rem);line-height:1.04}.header-note{margin-left:auto;align-items:center;gap:8px;color:var(--cyan);border:1px solid var(--line);padding:9px 12px;font-weight:700}.workspace{align-items:stretch;gap:18px;padding:26px 0 18px}.check-panel,.result-panel{border:1px solid var(--line);background:var(--navy-2)}.check-panel{width:390px;flex:0 0 390px;padding:20px}.panel-heading{align-items:flex-start;gap:12px;margin-bottom:18px}.panel-heading .icon{color:var(--cyan);flex:0 0 auto}.panel-heading h2,.result-panel h2{margin-bottom:6px;font-size:1.25rem;line-height:1.15}.panel-heading p,.quiet-copy,.summary,.signal-card p,.under-hood p,.explain-row p,.explain-row li{color:var(--steel-soft);line-height:1.55}label{display:grid;gap:7px;margin-bottom:13px}label span{color:var(--white);font-size:.82rem;font-weight:700}input,select,textarea{width:100%;color:var(--white);background:var(--deep-navy);border:1px solid rgba(128,139,150,.55);border-radius:0;padding:11px 12px;outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--cyan)}.split-fields{gap:12px}.split-fields label:first-child{flex:1 1 auto}.split-fields label:last-child{width:124px}.run-button{width:100%;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px;color:var(--deep-navy);background:var(--cyan);border:1px solid var(--cyan);font-weight:900;cursor:pointer}.run-button:disabled{cursor:not-allowed;color:#ffffff80;background:transparent;border-color:var(--line)}.quiet-copy{margin:14px 0 0;font-size:.82rem}.result-panel{flex:1 1 auto;min-width:0;padding:26px}.result-topline{align-items:center;gap:9px;width:fit-content;min-height:34px;padding:0 12px;color:var(--cyan);border:1px solid var(--line-strong);font-weight:800}.result-panel h2{margin-top:26px;font-size:clamp(2rem,4vw,4.5rem);max-width:820px}.summary{max-width:780px;font-size:1.12rem}.error-box{display:flex;align-items:flex-start;gap:10px;margin:18px 0;padding:13px;color:var(--white);border:1px solid rgba(240,139,125,.8);background:#f08b7d14}.signal-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:26px 0}.signal-card{min-height:146px;border:1px solid var(--line);padding:14px}.signal-card span{display:block;min-height:34px;color:var(--steel-soft);font-size:.78rem;font-weight:800;text-transform:uppercase}.signal-card strong{display:block;min-height:48px;color:var(--white);font-size:1.22rem;line-height:1.15}.signal-card p{margin:0;font-size:.88rem}.under-hood{gap:12px;align-items:flex-start;margin:26px 0;padding:16px;border:1px solid var(--line)}.under-hood .icon{color:var(--cyan);flex:0 0 auto}.under-hood strong{display:block;margin-bottom:4px}.under-hood p{margin-bottom:0}.explain-row{gap:18px;border-top:1px solid var(--line);padding-top:18px}.explain-row>div{flex:1 1 0}.explain-row h3{margin-bottom:8px;font-size:.9rem;text-transform:uppercase}.explain-row ul{margin:0;padding-left:18px}.result-footer{justify-content:space-between;gap:12px;margin-top:28px;color:var(--steel-soft);border-top:1px solid var(--line);padding-top:12px;font-size:.82rem}.trust-strip{justify-content:space-between;gap:12px;border:1px solid var(--line);padding:14px 16px;color:var(--steel-soft)}.trust-strip div{display:flex;align-items:center;gap:9px}.trust-strip .icon{color:var(--cyan)}.icon{position:relative;display:inline-block;width:18px;height:18px;color:currentColor;flex:0 0 auto}.icon:before,.icon:after{content:"";position:absolute;border-color:currentColor}.icon-lock:before{left:4px;top:8px;width:10px;height:8px;border:2px solid currentColor}.icon-lock:after{left:6px;top:1px;width:6px;height:9px;border:2px solid currentColor;border-bottom:0}.icon-shield:before{top:1px;right:3px;bottom:2px;left:3px;border:2px solid currentColor;clip-path:polygon(50% 0,100% 20%,84% 78%,50% 100%,16% 78%,0 20%)}.icon-arrow:before{left:3px;top:8px;width:12px;border-top:2px solid currentColor}.icon-arrow:after{right:2px;top:5px;width:6px;height:6px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}.icon-refresh:before{top:3px;right:3px;bottom:3px;left:3px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%}.icon-check:before{left:3px;top:4px;width:12px;height:12px;border:2px solid currentColor;border-radius:50%}.icon-check:after{left:7px;top:7px;width:6px;height:3px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg)}.icon-alert:before{left:2px;top:2px;width:14px;height:14px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(135deg)}.icon-alert:after{left:8px;top:6px;height:7px;border-left:2px solid currentColor}.icon-activity:before{left:1px;right:1px;top:9px;border-top:2px solid currentColor}.icon-activity:after{left:5px;top:4px;width:8px;height:8px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:skew(-22deg)}.icon-hidden:before{left:1px;top:6px;width:16px;height:8px;border:2px solid currentColor;border-radius:50%}.icon-hidden:after{left:1px;top:9px;width:16px;border-top:2px solid currentColor;transform:rotate(-35deg)}.status-alert .result-topline{color:var(--danger);border-color:#f08b7dcc}.status-watch .result-topline{color:var(--watch);border-color:#d7c66bcc}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.workspace,.explain-row{flex-direction:column}.check-panel{width:100%;flex-basis:auto}.signal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.app-shell{width:min(100% - 20px,1180px);padding:14px 0}.topbar{align-items:flex-start;flex-wrap:wrap;padding-bottom:14px}.header-note{margin-left:0}.split-fields,.trust-strip,.result-footer{flex-direction:column}.signal-grid{grid-template-columns:1fr}.result-panel h2{font-size:2rem}}