:root{color-scheme:light;--page-bg: #f5f7f4;--page-gradient-a: rgba(24, 94, 110, .14);--page-gradient-b: rgba(213, 88, 63, .12);--text: #1d2520;--muted: #607069;--panel: rgba(255, 255, 255, .86);--panel-solid: #ffffff;--panel-border: rgba(29, 37, 32, .12);--panel-shadow: rgba(29, 37, 32, .08);--eyebrow: #38635c;--pill-bg: #e5f0eb;--pill-text: #245147;--upload-bg: #eef2eb;--upload-gradient-a: rgba(255, 255, 255, .7);--upload-gradient-b: rgba(238, 242, 235, .85);--button-border: rgba(29, 37, 32, .13);--ghost-text: #415049;--primary: #185e6e;--primary-hover: #124c5b;--answer-bg: #17251f;--step-bg: #fbfcfa;--step-number-bg: #f0d7c8;--step-number-text: #7c321e;--verification-bg: #e8f1f3;--verification-text: #173e49;--warning-bg: #fff5db;--warning-text: #6a4b00;--danger-bg: #fff0ed;--danger-text: #a1372e;--empty-text: #718078;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--page-bg);color:var(--text);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}[data-theme=dark]{color-scheme:dark;--page-bg: #101412;--page-gradient-a: rgba(68, 172, 190, .16);--page-gradient-b: rgba(237, 126, 88, .1);--text: #edf4ef;--muted: #aab8b1;--panel: rgba(23, 30, 27, .92);--panel-solid: #151c19;--panel-border: rgba(229, 240, 235, .13);--panel-shadow: rgba(0, 0, 0, .38);--eyebrow: #9bd0c6;--pill-bg: #20342f;--pill-text: #c5eee4;--upload-bg: #111815;--upload-gradient-a: rgba(30, 42, 37, .85);--upload-gradient-b: rgba(17, 24, 21, .95);--button-border: rgba(229, 240, 235, .16);--ghost-text: #c0cbc5;--primary: #3f98a9;--primary-hover: #58abbb;--answer-bg: #07100d;--step-bg: #111815;--step-number-bg: #4b3025;--step-number-text: #ffd3bf;--verification-bg: #122a31;--verification-text: #bde9f3;--warning-bg: #382a0a;--warning-text: #ffe3a3;--danger-bg: #3a1612;--danger-text: #ffb9b1;--empty-text: 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spin{to{transform:rotate(360deg)}}@media(max-width:1080px){.solver-layout{grid-template-columns:1fr}.capture-panel{min-height:auto}}@media(max-width:680px){.app-shell{padding:14px}.app-header,.panel-heading,.history-heading{flex-direction:column}.theme-toggle,.trust-pill{align-self:flex-start}h1{font-size:2.55rem}.answer-band strong{font-size:1.4rem}.app-header,.capture-surface,.solution-panel,.history-panel{padding:18px}.upload-zone,.crop-stage{min-height:300px}.capture-actions{display:grid;grid-template-columns:1fr 1fr 44px}.crop-actions{display:grid;grid-template-columns:1fr}.results-panel{grid-template-rows:auto}.history-open{grid-template-columns:64px 1fr}.history-open img{width:64px;height:54px}}