:root,:root[data-theme=dark]{--bg: #0a0a0a;--bg-elevated: #1a1a1a;--bg-surface: #1f1f26;--bg-input: #0a0a0a;--bg-tab-inactive: #2a2a2e;--bg-loading: #1a1a2e;--text: #ede9e0;--text-strong: #fff;--text-muted: #aaa;--text-subtle: #888;--text-faint: #666;--text-ghost: #555;--text-bright: #ccc;--border-subtle: #222;--border: #333;--border-strong: #444;--link: #7d9fff;--on-color: #fff;--accent-brand: #ff4933;--accent-brand-deep: #bf3726;--tab-1: #3aaab0;--tab-2: #2d9b6e;--tab-3: #7a4ab8;--tab-4: #c9a84c;--on-tab-1: #fff;--on-tab-2: #fff;--on-tab-3: #fff;--on-tab-4: #18181c;--success: #2a6;--success-bg: #1a3a1a;--error: #a33;--error-bg: #3a1a1a;--error-text: #f55;--warning: #a83;--warning-yellow: #aa3;--button-secondary-bg: #555;--button-tertiary-bg: #333;--button-mem-blue: #468;--button-active-blue: #245;--button-failed-red: #422;--amber-bg: #665a1a;--amber-text: #fffbe0;--callout-bg: #1a1611;--callout-border: #5a4a1a;--callout-text: #caa46a;--callout-strong: #e0c084;--guide-info-bg: #111;--guide-complete-bg: #1a3a1a;--guide-active-bg: #1a2a3a;--guide-failed-bg: #3a1a1a;--proof-success-bg: #0a1a0a;--proof-error-bg: #1a0a0a;--history-item-bg: #111;--history-selected-bg: #2a3a4a;--check-pass-bg: #1a2a1a;--check-pass-text: #8d8;--check-fail-text: #f88;--address-hint-text: #6a9;--viz-highlight: #f80;--viz-highlight-bright: #fa0}:root[data-theme=light]{--bg: #f5f3ef;--bg-elevated: #ffffff;--bg-surface: #fafafa;--bg-input: #ffffff;--bg-tab-inactive: #e0e0e0;--bg-loading: #efefef;--text: #1a1a1a;--text-strong: #000;--text-muted: #424242;--text-subtle: #666;--text-faint: #757575;--text-ghost: #9e9e9e;--text-bright: #1a1a1a;--border-subtle: #efefef;--border: #d5d0c8;--border-strong: #9e9e9e;--link: #2a3fb8;--on-color: #fff;--accent-brand: #d63a26;--accent-brand-deep: #a02818;--tab-1: #2a8085;--tab-2: #1f7050;--tab-3: #5a32a0;--tab-4: #a8893a;--on-tab-1: #fff;--on-tab-2: #fff;--on-tab-3: #fff;--on-tab-4: #fff;--success: #2d8550;--success-bg: #dceede;--error: #c04040;--error-bg: #f8dada;--error-text: #c04040;--warning: #b8862e;--warning-yellow: #8a7a2e;--button-secondary-bg: #9e9e9e;--button-tertiary-bg: #d5d0c8;--button-mem-blue: #3a5a8a;--button-active-blue: #c8d8e8;--button-failed-red: #f4d8d8;--amber-bg: #c9a84c;--amber-text: #1a1a1a;--callout-bg: #fdf5e0;--callout-border: #c9a84c;--callout-text: #6e5510;--callout-strong: #4a3a08;--guide-info-bg: #f5f3ef;--guide-complete-bg: #dceede;--guide-active-bg: #d8e0f5;--guide-failed-bg: #f8dada;--proof-success-bg: #dceede;--proof-error-bg: #f8dada;--history-item-bg: #f5f3ef;--history-selected-bg: #d8e0f5;--check-pass-bg: #dceede;--check-pass-text: #1f7050;--check-fail-text: #c04040;--address-hint-text: #2a8085;--viz-highlight: #d97520;--viz-highlight-bright: #f5963a}html,body{background:var(--bg);color:var(--text)}#root{background:var(--bg);min-height:100vh}a{color:var(--link)}code{color:var(--text)}input,button,select,textarea{color-scheme:dark light}