:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--primary-color-alpha: rgba(59, 130, 246, .1);--text-color: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--bg-color: #f9fafb;--card-bg: #ffffff;--input-bg: #ffffff;--border-color: #e5e7eb;--hover-bg: #f3f4f6;--success-color: #10b981;--warning-color: #f59e0b;--danger-color: #ef4444}.dark-theme{--text-color: #f9fafb;--text-secondary: #d1d5db;--text-muted: #9ca3af;--bg-color: #111827;--card-bg: #1f2937;--input-bg: #374151;--border-color: #374151;--hover-bg: #374151}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-color);color:var(--text-color);transition:background-color .3s,color .3s;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.fade-in{animation:fadeIn .3s ease-in-out}.slide-in{animation:slideIn .3s ease-in-out}::selection{background:var(--primary-color);color:#fff}.loading{opacity:.6;pointer-events:none}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.hidden{display:none}