:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#dbeafe;--color-secondary:#64748b;--color-secondary-hover:#475569;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--color-success:#16a34a;--color-warning:#d97706;--color-bg:#ffffff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-text:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-border:#e2e8f0;--color-border-focus:#2563eb;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:"SF Mono","Fira Code","Fira Mono","Roboto Mono",monospace;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-sm:0.25rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0/0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1);--nav-height:3.5rem;--max-width:64rem;--sidebar-width:16rem}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:1rem;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}button{cursor:pointer}button,input,select,textarea{font-family:inherit;font-size:inherit}ol,ul{list-style:none}[tabindex]:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-4)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;clip:rect(0,0,0,0);border-width:0}.sr-only,.text-ellipsis{overflow:hidden;white-space:nowrap}.text-ellipsis{text-overflow:ellipsis}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-weight:500;font-size:.875rem;line-height:1.25rem;border:1px solid transparent;transition:all .15s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background-color:var(--color-primary);color:white}.btn--primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn--secondary{background-color:var(--color-bg);color:var(--color-text);border-color:var(--color-border)}.btn--secondary:hover:not(:disabled){background-color:var(--color-bg-tertiary)}.btn--danger{background-color:var(--color-danger);color:white}.btn--danger:hover:not(:disabled){background-color:var(--color-danger-hover)}.btn--ghost{background-color:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){background-color:var(--color-bg-tertiary)}.btn--sm{padding:var(--space-1) var(--space-2);font-size:.8125rem}.btn--lg{padding:var(--space-3) var(--space-6);font-size:1rem}.btn--full{width:100%}.btn--toggle{flex:1 1;display:inline-flex;align-items:center;justify-content:center;gap:.375rem}.form-group{display:flex;flex-direction:column;gap:var(--space-1)}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text)}.form-input{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;transition:border-color .15s ease;outline:none;width:100%}.form-input:focus-visible{border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-light)}.form-input--error{border-color:var(--color-danger)}.form-error{font-size:.75rem;color:var(--color-danger)}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm)}.page{padding-top:calc(var(--nav-height) + var(--space-6));padding-bottom:var(--space-8);min-height:100vh}.page__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}.page__title{font-size:1.5rem;font-weight:700;color:var(--color-text)}.page__subtitle{font-size:.875rem;color:var(--color-text-secondary);margin-top:var(--space-1)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-4);text-align:center}.empty-state__title{font-size:1.125rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}.empty-state__description{font-size:.875rem;color:var(--color-text-secondary);margin-bottom:var(--space-6)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-8);color:var(--color-text-muted)}.error-message{padding:var(--space-3) var(--space-4);background-color:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);color:var(--color-danger);font-size:.875rem;margin-bottom:var(--space-4)}@media (max-width:640px){.page{padding-top:calc(var(--nav-height) + var(--space-4))}.page__header{flex-direction:column;align-items:flex-start;gap:var(--space-3)}.container{padding:0 var(--space-3)}}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-4);background-color:var(--color-bg-secondary)}.error-boundary__content{text-align:center;max-width:24rem}.error-boundary__icon{font-size:3rem;display:block;margin-bottom:var(--space-4)}.error-boundary__title{font-size:1.25rem;font-weight:600;margin-bottom:var(--space-2)}.error-boundary__message{font-size:.875rem;color:var(--color-text-secondary);margin-bottom:var(--space-6)}.error-boundary__details{font-size:.75rem;color:var(--color-danger);text-align:left;padding:var(--space-3);margin-bottom:var(--space-4);background-color:var(--color-bg-tertiary);border-radius:var(--radius-md);overflow-x:auto;white-space:pre-wrap;word-break:break-word}