.particles{position:fixed;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none;z-index:1}.particle{position:absolute;background:var(--particle-color);border-radius:50%;animation:float 20s infinite;will-change:transform,opacity}@keyframes float{0%,to{transform:translateY(0) translate(0);opacity:0}10%{opacity:.3}90%{opacity:.3}to{transform:translateY(-100vh) translate(50px);opacity:0}}.glow-orb{position:fixed;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(102,126,234,.2) 0%,transparent 70%);filter:blur(60px);animation:pulse 4s ease-in-out infinite;pointer-events:none;z-index:0}.orb1{top:-200px;left:-200px}.orb2{bottom:-200px;right:-200px;animation-delay:2s}@keyframes pulse{0%,to{transform:scale(1);opacity:.3}50%{transform:scale(1.2);opacity:.5}}.text-glow{animation:glow 3s ease-in-out infinite}@keyframes glow{0%,to{filter:drop-shadow(0 0 20px rgba(102,126,234,.5))}50%{filter:drop-shadow(0 0 40px rgba(118,75,162,.8))}}.gradient-text{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-transform:uppercase;letter-spacing:-.02em}.fade-in{animation:fadeIn 2s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-gradient: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 50%, #16213e 100%);--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);--color-primary: #667eea;--color-primary-dark: #764ba2;--color-primary-light: #f093fb;--text-primary: rgba(255, 255, 255, .95);--text-secondary: rgba(255, 255, 255, .85);--text-muted: rgba(255, 255, 255, .7);--color-success: #51cf66;--color-error: #ff6b6b;--color-warning: #ffd43b;--color-info: #339af0;--input-bg: rgba(255, 255, 255, .05);--input-border: rgba(255, 255, 255, .1);--input-focus: #667eea;--card-bg: rgba(26, 26, 46, .6);--overlay-bg: rgba(15, 15, 15, .9);--particle-color: rgba(255, 255, 255, .05);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:var(--font-family);background:var(--bg-gradient);background-attachment:fixed;min-height:100vh;color:var(--text-primary);overflow-x:hidden;position:relative}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:#0000001a}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-dark)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-sm)}h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:900}h2{font-size:clamp(1.8rem,4vw,2.5rem)}h3{font-size:clamp(1.3rem,3vw,1.8rem)}p{line-height:1.6;margin-bottom:var(--spacing-sm)}::selection{background:var(--color-primary);color:#fff}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg);position:relative;z-index:10}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #0000004d}.btn{display:inline-block;padding:.75rem 2rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);text-align:center;font-family:inherit}.btn-primary{background:var(--primary-gradient);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--input-bg);color:var(--text-primary);border:1px solid var(--input-border)}.btn-secondary:hover{background:#ffffff1a;border-color:var(--color-primary)}.btn-block{width:100%;display:block}.btn:disabled{opacity:.5;cursor:not-allowed}.input-group{margin-bottom:var(--spacing-md)}.input-label{display:block;margin-bottom:var(--spacing-xs);color:var(--text-secondary);font-size:.875rem;font-weight:500}.input{width:100%;padding:.75rem 1rem;font-size:1rem;font-family:inherit;background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-md);color:var(--text-primary);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px #667eea1a}.input::placeholder{color:var(--text-muted)}.select,select.input{width:100%;padding:.75rem 1rem;font-size:1rem;font-family:inherit;background:#1a1a2e;border:1px solid var(--input-border);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.select:focus,select.input:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px #667eea1a}select.input option,select.input optgroup{background:#1a1a2e;color:#fff;padding:.5rem}select.input optgroup{font-weight:700;color:#667eea}.checkbox-group{display:flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm)}.checkbox{width:1.25rem;height:1.25rem;cursor:pointer;accent-color:var(--color-primary)}.checkbox-label{color:var(--text-secondary);font-size:.875rem;cursor:pointer;-webkit-user-select:none;user-select:none}.alert{padding:var(--spacing-sm);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);font-size:.875rem}.alert-error{background:#ff6b6b1a;border:1px solid var(--color-error);color:var(--color-error)}.alert-success{background:#51cf661a;border:1px solid var(--color-success);color:var(--color-success)}.alert-info{background:#339af01a;border:1px solid var(--color-info);color:var(--color-info)}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-small{font-size:.875rem}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes progress-glow{0%,to{box-shadow:0 0 5px #667eea4d}50%{box-shadow:0 0 15px #667eea99}}@media (max-width: 768px){.container,.card{padding:1rem!important}.btn{padding:.625rem 1.25rem;font-size:.9rem}h1{font-size:2rem!important}h2{font-size:1.5rem!important}h3{font-size:1.25rem!important}.two-columns,[style*="grid-template-columns: 1fr 1fr"]{grid-template-columns:1fr!important;gap:1rem!important}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.input-group{margin-bottom:1rem}.input{padding:.625rem .875rem;font-size:16px}select.input{font-size:16px}.checkbox-label{padding:.5rem 0}}@media (max-width: 480px){.container{padding:.75rem!important}.btn{padding:.5rem 1rem;font-size:.85rem}.btn-block{padding:.75rem 1rem}.button-group{flex-direction:column!important;gap:.5rem!important}.button-group .btn{width:100%}}*:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}.btn:focus-visible{outline:3px solid var(--color-primary);outline-offset:3px;box-shadow:0 0 0 6px #667eea33}.input:focus-visible{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea33}@media (prefers-contrast: high){.btn{border:2px solid currentColor}.input{border-width:2px}*:focus-visible{outline-width:4px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.spinner{animation:none;border:3px solid var(--color-primary)}}.skip-link{position:absolute;top:-100%;left:50%;transform:translate(-50%);background:var(--color-primary);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-md);z-index:9999;transition:top .3s}.skip-link:focus{top:1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (pointer: coarse){.btn{min-height:44px;min-width:44px}.checkbox{width:24px;height:24px}.checkbox-label{min-height:44px;display:flex;align-items:center}}