:root{--primary:#2563eb;--primary-hover:#1d4ed8;--secondary:#64748b;--background:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--accent:#6366f1;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--container-max:1200px;--radius:0.75rem;--spacing-base:1rem}[data-theme=dark]{--primary:#3b82f6;--primary-hover:#60a5fa;--secondary:#94a3b8;--background:#0f172a;--surface:#1e293b;--text-main:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,.5);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.6)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--background);line-height:1.5;transition:background-color .3s ease,color .3s ease}body,h1,h2,h3,h4{color:var(--text-main)}h1,h2,h3,h4{font-weight:700;letter-spacing:-.025em}p{color:var(--text-muted)}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--spacing-base)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:1.5rem;transition:transform .2s ease,box-shadow .2s ease}.card:hover{box-shadow:var(--shadow-lg)}.grid{display:grid;gap:1.5rem}.flex{gap:1rem}.flex-center{display:flex;align-items:center;justify-content:center}.space-y-4>*+*{margin-top:1rem}.space-y-8>*+*{margin-top:2rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;font-size:.875rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--surface);color:var(--text-main);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--background)}.input,.textarea{width:100%;padding:.75rem;border-radius:.5rem;border:1px solid var(--border);background:var(--surface);color:var(--text-main);transition:border-color .2s ease}.input:focus,.textarea:focus{outline:none;border-color:var(--primary);ring:2px solid var(--primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.bg-white{background-color:var(--surface)}.bg-gray-50{background-color:var(--background)}.bg-blue-600{background-color:var(--primary)}.text-gray-900{color:var(--text-main)}.text-gray-600{color:var(--text-muted)}.text-white{color:#fff}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.rounded-lg{border-radius:var(--radius)}.p-6{padding:1.5rem}.max-w-7xl{max-width:var(--container-max)}.mx-auto{margin-left:auto;margin-right:auto}.px-4{padding-left:1rem;padding-right:1rem}.py-8{padding-top:2rem;padding-bottom:2rem}.flex{display:flex}.justify-between{justify-content:space-between}.items-center{align-items:center}.space-x-4>*+*{margin-left:1rem}.font-bold{font-weight:700}.text-2xl{font-size:1.5rem}.text-xl{font-size:1.25rem}.text-sm{font-size:.875rem}.font-medium{font-weight:500}.border-b{border-bottom:1px solid var(--border)}.bg-blue-100{background-color:#dbeafe}.text-blue-700{color:#1d4ed8}.text-gray-500{color:#64748b}.skeleton{background:linear-gradient(90deg,var(--border) 25%,var(--background) 50%,var(--border) 75%);background-size:200% 100%;animation:loading 1.5s infinite}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes shrink{0%{width:100%}to{width:0}}.toast-progress{animation:shrink linear forwards}