:root[data-theme=light]{--bg: #fafaf7;--bg-raised: #ffffff;--bg-hover: #f3f2ee;--border: #e1dfd8;--border-strong: #c3c0b5;--text: #1a1a17;--text-dim: #5a5a54;--text-muted: #8a8a80;--accent: #2c5f4e;--accent-hover: #224c3e;--accent-text: #ffffff;--frontier: #c69b3a;--warning: #b05e1a;--danger: #8a2e2e;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04)}:root[data-theme=dark]{--bg: #14140f;--bg-raised: #1e1e18;--bg-hover: #282822;--border: #2e2e25;--border-strong: #45453a;--text: #e8e6df;--text-dim: #a8a69c;--text-muted: #75736a;--accent: #6fb39a;--accent-hover: #85c3ab;--accent-text: #0f1413;--frontier: #e2b860;--warning: #d68a4a;--danger: #d46b6b;--shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .25)}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe 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