:root{--color-primary-50:#e6f3f2;--color-primary-100:#b3dbd8;--color-primary-200:#80c4be;--color-primary-300:#4daca4;--color-primary-400:#26988e;--color-primary-500:#1a7a73;--color-primary-600:#166862;--color-primary-700:#125651;--color-primary-800:#0e4440;--color-primary-900:#0a322f;--color-primary-dark:#0d4a4a;--color-primary-main:#1a5f5a;--color-primary-light:#3eb5a5;--color-secondary-50:#fdf8ed;--color-secondary-100:#f9ecd0;--color-secondary-200:#f4deb0;--color-secondary-300:#efd090;--color-secondary-400:#ebc478;--color-secondary-500:#d4a853;--color-secondary-600:#c49642;--color-secondary-700:#a87d35;--color-secondary-800:#8c6529;--color-secondary-900:#704d1e;--color-accent-light:#4ec9b9;--color-accent-main:#3eb5a5;--color-accent-dark:#2a9d8f;--color-neutral-0:#fff;--color-neutral-50:#f8f9fa;--color-neutral-100:#f1f3f5;--color-neutral-200:#e9ecef;--color-neutral-300:#dee2e6;--color-neutral-400:#ced4da;--color-neutral-500:#adb5bd;--color-neutral-600:#868e96;--color-neutral-700:#495057;--color-neutral-800:#343a40;--color-neutral-900:#212529;--color-text-primary:#2d3748;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--color-text-inverse:#fff;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-message-outbound:var(--color-primary-main);--color-message-outbound-text:#fff;--color-message-inbound:#e5e7eb;--color-message-inbound-text:var(--color-text-primary);--shadow-xs:0 1px 2px #0000000d;--shadow-sm:0 1px 3px #0000001a,0 1px 2px #0000000f;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-full:9999px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-family-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Monaco,Consolas,monospace;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.625;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-slow:.3s ease;--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal-backdrop:400;--z-modal:500;--z-popover:600;--z-tooltip:700;--sidebar-width:320px;--header-height:64px;--max-content-width:1200px}
*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-neutral-50);min-height:100vh}a{color:var(--color-primary-main);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-dark)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-neutral-100)}::-webkit-scrollbar-thumb{background:var(--color-neutral-400);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-neutral-500)}:focus-visible{outline:2px solid var(--color-primary-main);outline-offset:2px}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3)var(--space-5);font-family:inherit;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;line-height:1;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary-main);color:var(--color-text-inverse)}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:var(--color-neutral-0);color:var(--color-text-primary);border:1px solid var(--color-neutral-300)}.btn-secondary:hover:not(:disabled){background:var(--color-neutral-100);border-color:var(--color-neutral-400)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--color-neutral-100);color:var(--color-text-primary)}.btn-lg{padding:var(--space-4)var(--space-6);font-size:var(--font-size-base)}.btn-sm{padding:var(--space-2)var(--space-3);font-size:var(--font-size-xs)}.btn-icon{padding:var(--space-2);border-radius:var(--radius-full)}.input{width:100%;padding:var(--space-3)var(--space-4);font-family:inherit;font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-neutral-0);border:1px solid var(--color-neutral-300);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:hover{border-color:var(--color-neutral-400)}.input:focus{border-color:var(--color-primary-main);outline:none;box-shadow:0 0 0 3px #1a5f5a1a}.input::placeholder{color:var(--color-text-muted)}.card{background:var(--color-neutral-0);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.avatar{border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary-main),var(--color-accent-main));width:40px;height:40px;color:var(--color-text-inverse);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.avatar-sm{width:32px;height:32px;font-size:var(--font-size-xs)}.avatar-lg{width:48px;height:48px;font-size:var(--font-size-base)}.badge{padding:var(--space-1)var(--space-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-full);background:var(--color-primary-100);color:var(--color-primary-700);align-items:center;display:inline-flex}.badge-success{color:#047857;background:#d1fae5}.badge-warning{color:#b45309;background:#fef3c7}.badge-error{color:#b91c1c;background:#fee2e2}.spinner{border:2px solid var(--color-neutral-200);border-top-color:var(--color-primary-main);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{padding:var(--space-12);text-align:center;color:var(--color-text-secondary);flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state-icon{width:64px;height:64px;margin-bottom:var(--space-4);color:var(--color-neutral-400)}.empty-state-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-2)}.empty-state-description{font-size:var(--font-size-sm);max-width:300px}@media (max-width:768px){:root{--sidebar-width:100%;--header-height:56px}}