*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #10b981;--danger: #ef4444;--background: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--chart-grid: #e2e8f0;--chart-text: #94a3b8}[data-theme=dark]{--primary: #818cf8;--primary-dark: #6366f1;--secondary: #34d399;--danger: #f87171;--background: #0f172a;--surface: #1e293b;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3);--chart-grid: #334155;--chart-text: #64748b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--background);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,button{font-size:1rem}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text)}.form-group input,.form-group select{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;background-color:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:500;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--background)}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--surface);border-radius:.75rem;box-shadow:var(--shadow);overflow:hidden}.card-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.card-body{padding:1.5rem}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1rem}.alert-error{background-color:#fef2f2;color:#991b1b;border:1px solid #fecaca}[data-theme=dark] .alert-error{background-color:#450a0a;color:#fca5a5;border:1px solid #7f1d1d}.alert-success{background-color:#f0fdf4;color:#166534;border:1px solid #bbf7d0}[data-theme=dark] .alert-success{background-color:#052e16;color:#86efac;border:1px solid #166534}.spinner{display:inline-block;width:1.5rem;height:1.5rem;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-3{gap:1rem}.gap-4{gap:1.5rem}