:root{--color-primary:#3b82f6;--color-primary-hover:#2563eb;--color-primary-light:#3b82f61a;--color-primary-shadow:#3b82f626;--color-success:#10b981;--color-success-hover:#059669;--color-success-soft:#4db171;--color-danger:#ef4444;--color-danger-hover:#dc2626;--color-warning:#f59e0b;--color-info:#8b5cf6;--color-info-hover:#7c3aed;--color-text-primary:#1e293b;--color-text-secondary:#334155;--color-text-muted:#64748b;--color-text-placeholder:#94a3b8;--color-text-inverse:#fff;--color-bg-page:#f8fafc;--color-bg-surface:#fff;--color-bg-subtle:#f8fafc;--color-bg-hover:#f1f5f9;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-border-focus:#3b82f6;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-base:16px;--space-lg:20px;--space-xl:24px;--space-2xl:32px;--space-3xl:40px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-round:50%;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 24px #0000001f;--shadow-focus:0 0 0 2px var(--color-primary-shadow);--font-family-base:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs:.75em;--font-size-sm:.875em;--font-size-base:14px;--font-size-md:1em;--font-size-lg:1.1em;--font-size-xl:1.25em;--font-size-2xl:2.25em;--font-size-prediction:16px;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--transition-fast:all .2s;--transition-normal:all .25s;--nav-height:56px;--container-max-width:2200px;--color-overlay:#00000059;--shadow-modal:0 24px 80px #0000002e, 0 0 0 1px #0000000a;--color-warning-glow:#f59e0b99;--color-editor-bg:#1e1e1e;--color-editor-text:#d4d4d4;--color-editor-placeholder:#6a6a6a}*,:before,:after{box-sizing:border-box}body{min-width:320px;min-height:100vh;font-family:var(--font-family-base);line-height:1.5;font-weight:var(--font-weight-normal);color:var(--color-text-primary);background:var(--color-bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}#app{text-align:left;width:100%;max-width:100%;margin:0 auto;padding:0}.btn{color:var(--color-text-inverse);padding:var(--space-sm) 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var(--space-xl);font-size:var(--font-size-md)}.btn-round{border-radius:var(--radius-round);justify-content:center;width:32px;height:32px;padding:0}.btn-round.btn-sm{width:24px;height:24px}.btn-round.btn-lg{width:40px;height:40px}.btn-danger{background:var(--color-danger);color:var(--color-text-inverse)}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:focus-visible{box-shadow:var(--shadow-focus);outline:none}.btn-absolute-tr{top:var(--space-sm);right:var(--space-sm);z-index:2;position:absolute}.btn-absolute-corner{z-index:2;position:absolute;top:-4px;right:-4px}.btn-default{background:var(--color-bg-surface);color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn-default:hover:not(:disabled){background:var(--color-bg-page);border-color:var(--color-primary);color:var(--color-primary)}.btn-sm{padding:4px 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