:root{--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-pill: 50rem;--radius-full: 50%;--text-2xs: .625rem;--text-xs: .6875rem;--text-sm: .75rem;--text-base: .8125rem;--text-md: .875rem;--text-lg: 1rem;--text-xl: 1.25rem}[data-bs-theme=light]{--primary: #4f46e5;--primary-subtle: #e0e7ff;--surface: #ffffff;--surface-alt: #f8f9fa;--border: #dee2e6;--text-primary: #212529;--text-secondary: #6c757d;--success: #3a8a5c;--warning: #b5862e;--danger: #be4b44;--info: #4d8d9d;--shell-bg: #f0f0f5;--theme-color: #4f46e5;--shadow-xs: 0 1px 4px rgba(0, 0, 0, .06);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .15);--shadow-card: 0 1px 3px rgba(0, 0, 0, .08), 0 8px 32px rgba(0, 0, 0, .06);--focus-ring: 0 0 0 3px rgba(79, 70, 229, .15)}[data-bs-theme=dark]{--primary: #818cf8;--primary-subtle: #312e81;--surface: #1a1a2e;--surface-alt: #16213e;--border: #2d3748;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--success: #6ab882;--warning: #d4a64e;--danger: #d4766e;--info: #68b4c6;--shell-bg: #151521;--theme-color: #1a1a2e;--shadow-xs: 0 1px 4px rgba(0, 0, 0, .15);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .25);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .4);--shadow-card: 0 1px 3px rgba(0, 0, 0, .2), 0 8px 32px rgba(0, 0, 0, .3);--focus-ring: 0 0 0 3px rgba(129, 140, 248, .15)}[data-bs-theme=light] .logo-dark-only,[data-bs-theme=dark] .logo-light-only{display:none!important}:root{--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--font-size-base: var(--text-md)}body{font-family:var(--font-sans);font-size:var(--font-size-base);background:var(--shell-bg);color:var(--text-primary);margin:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1}a{color:var(--primary)}.skip-link{position:absolute;top:-100%;left:1rem;z-index:1000;padding:.5rem 1rem;background:var(--primary);color:#fff;border-radius:var(--radius-md);text-decoration:none;font-size:var(--text-sm)}.skip-link:focus{top:.5rem}.landing-container{max-width:800px;margin:0 auto;padding:0 1.5rem}.landing-header{padding:1.25rem 0}.logo-link{display:inline-flex;align-items:center}.logo{height:36px;width:auto}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);color:var(--text-secondary);cursor:pointer;transition:color .15s,border-color .15s}.theme-toggle:hover{color:var(--text-primary);border-color:var(--text-secondary)}.theme-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}[data-bs-theme=light] .icon-sun,[data-bs-theme=dark] .icon-moon{display:none}.landing-footer{padding:2rem 0;border-top:1px solid var(--border)}.landing-footer p{font-size:var(--text-xs);color:var(--text-secondary);margin:0}.landing-footer a{color:var(--text-secondary);text-decoration:none}.landing-footer a:hover{color:var(--text-primary)}