@charset "UTF-8";:root{--bg: #12100e;--surface: #1e1812;--surface-raised: #28211a;--board-dark: #1c140e;--board-light: #2e2016;--board-border: #7a5c38;--board-coord: #6a4c2a;--highlight-valid: rgba(255, 210, 60, .35);--highlight-pulse: rgba(255, 210, 60, .7);--highlight-selected: rgba(255, 210, 60, .55);--highlight-guard: rgba(220, 50, 50, .5);--highlight-hover: rgba(255, 210, 60, .2);--highlight-command: rgba(60, 200, 180, .38);--highlight-command-pulse: rgba(60, 200, 180, .72);--text-primary: #e8d5b0;--text-secondary: #a08060;--text-muted: #6a4c2a;--accent: #c8952a;--accent-dim: #7a5c38;--danger: #c0392b;--shadow: rgba(0, 0, 0, .6)}[data-theme=light]{--bg: #f0e8d8;--surface: #e8dcc8;--surface-raised: #f5efe3;--board-dark: #b8935a;--board-light: #e8d5a8;--board-border: #7a5c30;--board-coord: #9a7040;--highlight-valid: rgba(30, 120, 60, .35);--highlight-pulse: rgba(30, 120, 60, .6);--highlight-selected: rgba(30, 120, 60, .5);--highlight-guard: rgba(180, 40, 40, .4);--highlight-hover: rgba(30, 120, 60, .15);--highlight-command: rgba(0, 150, 130, .32);--highlight-command-pulse: rgba(0, 150, 130, .6);--text-primary: #2c1f10;--text-secondary: #6b4f2c;--text-muted: #9a7040;--accent: #8b5e1a;--accent-dim: #c8a060;--danger: #922b21;--shadow: rgba(0, 0, 0, .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes valid-pulse{0%,to{box-shadow:inset 0 0 0 2px var(--highlight-pulse),0 0 8px var(--highlight-valid)}50%{box-shadow:inset 0 0 0 2px var(--highlight-valid),0 0 4px transparent}}@keyframes command-pulse{0%,to{box-shadow:inset 0 0 0 2px var(--highlight-command-pulse),0 0 8px var(--highlight-command)}50%{box-shadow:inset 0 0 0 2px var(--highlight-command),0 0 4px transparent}}@keyframes guard-pulse{0%,to{box-shadow:inset 0 0 0 3px var(--highlight-guard),0 0 12px var(--highlight-guard)}50%{box-shadow:inset 0 0 0 2px #dc32324d}}