:root{--color-bg-primary:#f5f6f8;--color-bg-card:#ffffff;--color-bg-elevated:#ffffff;--color-text-primary:#1a1a2e;--color-text-secondary:#6c757d;--color-text-muted:#adb5bd;--color-border:#dee2e6;--color-border-subtle:#e9ecef;--color-accent:#4a6fa5;--color-accent-hover:#3d5d8a;--color-danger:#dc3545;--color-stage-deep:#1a1a5e;--color-stage-rem:#6a5acd;--color-stage-light:#87ceeb;--color-stage-wake:#ff6b6b;--color-line-process-s:#d07030;--color-line-process-c:#3070b0;--color-line-combined:#8b1a1a;--color-quality-good:#28a745;--color-quality-fair:#e0a800;--color-quality-poor:#dc3545;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.25rem;--font-size-xl:1.5rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-card:0 1px 3px rgba(0,0,0,0.08);--shadow-elevated:0 4px 12px rgba(0,0,0,0.12)}[data-theme=dark]{--color-bg-primary:#0d1117;--color-bg-card:#161b22;--color-bg-elevated:#21262d;--color-text-primary:#e6edf3;--color-text-secondary:#8b949e;--color-text-muted:#484f58;--color-border:#30363d;--color-border-subtle:#21262d;--color-accent:#58a6ff;--color-accent-hover:#79b8ff;--color-danger:#f85149;--color-stage-deep:#2d2d8a;--color-stage-rem:#7b6bdf;--color-stage-light:#5ba3c9;--color-stage-wake:#ff7b7b;--color-line-process-s:#f0a060;--color-line-process-c:#60a0e0;--color-line-combined:#e06060;--color-quality-good:#3fb950;--color-quality-fair:#d29922;--color-quality-poor:#f85149;--shadow-card:0 1px 3px rgba(0,0,0,0.3);--shadow-elevated:0 4px 12px rgba(0,0,0,0.4)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg-primary:#0d1117;--color-bg-card:#161b22;--color-bg-elevated:#21262d;--color-text-primary:#e6edf3;--color-text-secondary:#8b949e;--color-text-muted:#484f58;--color-border:#30363d;--color-border-subtle:#21262d;--color-accent:#58a6ff;--color-accent-hover:#79b8ff;--color-danger:#f85149;--color-stage-deep:#2d2d8a;--color-stage-rem:#7b6bdf;--color-stage-light:#5ba3c9;--color-stage-wake:#ff7b7b;--color-line-process-s:#f0a060;--color-line-process-c:#60a0e0;--color-line-combined:#e06060;--color-quality-good:#3fb950;--color-quality-fair:#d29922;--color-quality-poor:#f85149;--shadow-card:0 1px 3px rgba(0,0,0,0.3);--shadow-elevated:0 4px 12px rgba(0,0,0,0.4)}}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-primary);line-height:1.5;min-height:100dvh}a{color:var(--color-accent);text-decoration:none}button{cursor:pointer}.container{width:100%;max-width:640px;margin:0 auto;padding:0 var(--spacing-md)}@media(min-width:768px){.container{padding:0 var(--spacing-lg)}}