:root{color-scheme:dark;--bg: #0a0e14;--surface: rgba(16, 24, 38, .84);--surface-strong: rgba(20, 34, 51, .92);--text: #f5f7fb;--muted: #8fa8c0;--outline: rgba(0, 217, 255, .16);--blue: #00d9ff;--green: #00d4aa;--orange: #fc5d0d}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Outfit,system-ui,sans-serif}button,textarea,input{font:inherit}img,video{max-width:100%}.screen{min-height:100vh}.landing{position:relative;display:grid;place-items:center;overflow:hidden}.landing-bg{position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(0,217,255,.18),transparent 32%),radial-gradient(circle at bottom left,rgba(0,212,170,.18),transparent 28%),url(/background.jpg) center / cover no-repeat;transform:scale(1.05)}.landing-overlay{position:absolute;inset:0;background:linear-gradient(180deg,#0a0e148c,#0a0e14e0)}.landing-panel,.loading-screen,.chat-shell,.empty-state{position:relative;z-index:1}.landing-panel{width:min(720px,calc(100vw - 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48px));border-radius:22px;border:1px solid rgba(0,217,255,.24);box-shadow:0 0 0 1px #00d9ff14,0 24px 80px #00000059}.scan-label{color:var(--text);font-size:.95rem}@media(max-width:840px){.chat-shell{inset:auto 12px 12px}.landing-panel{padding:28px 20px}.preflight-tools.compact{width:min(680px,calc(100vw - 24px))}.footer-row{flex-direction:column}}