*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary-color: #1e293b;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--info-color: #3b82f6;--light-bg: #f1f5f9;--dark-text: #0f172a;--light-text: #64748b;--border-color: #e2e8f0;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-success: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-card: linear-gradient(135deg, rgba(255, 255, 255, .1) 0%, rgba(255, 255, 255, .05) 100%)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--dark-text);background:linear-gradient(135deg,#f1f5f9,#e2e8f0);background-attachment:fixed;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-success{background-color:var(--success-color);color:#fff}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-outline:hover{background:var(--gradient-primary);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:var(--shadow-md)}.btn-danger:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#dc2626,#b91c1c)}.card{background:#fff;border-radius:8px;padding:24px;box-shadow:var(--shadow);margin-bottom:20px}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:600;color:var(--dark-text)}.form-control{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-size:16px;transition:border-color .3s ease}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #e693351a}.error-message{color:var(--danger-color);font-size:14px;margin-top:5px}.loading{text-align:center;padding:40px}.spinner{border:4px solid var(--border-color);border-top:4px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:0 15px}.card{padding:16px}}