*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background:linear-gradient(135deg,#0a0e27,#1a1f3a,#2d3561);color:#fff;min-height:100vh;overflow-x:hidden}.particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.particle{position:absolute;width:1px;height:1px;background:#3b82f666;border-radius:50%;animation:float 8s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0) rotate(0);opacity:.2}50%{transform:translateY(-30px) rotate(180deg);opacity:.8}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;z-index:10;padding:2rem}.auth-card{background:#ffffff0d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(59,130,246,.2);border-radius:20px;padding:3rem;width:100%;max-width:500px;box-shadow:0 25px 50px #0000004d;position:relative}.auth-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(59,130,246,.5),transparent)}.logo{text-align:center;margin-bottom:2rem}.logo h1{font-size:2.5rem;font-weight:700;color:#fff;text-shadow:0 0 20px rgba(59,130,246,.5);margin-bottom:.5rem}.logo p{color:#cbd5e1;font-size:.9rem;font-weight:300}.form-group{margin-bottom:1.5rem}.form-label{display:block;color:#e2e8f0;font-size:.9rem;font-weight:500;margin-bottom:.5rem}.form-input{width:100%;padding:1rem 1.25rem;background:#ffffff14;border:1px solid rgba(59,130,246,.3);border-radius:12px;color:#fff;font-size:.95rem;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.form-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;background:#ffffff1f}.form-input::-moz-placeholder{color:#94a3b8}.form-input::placeholder{color:#94a3b8}.btn-primary{width:100%;padding:1rem 2rem;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 10px 30px #3b82f64d;margin-top:1rem}.legal-checkbox{background:#0f172a59;border:1px solid rgba(148,163,184,.25);border-radius:12px;padding:1rem 1.25rem;margin-top:1rem}.legal-checkbox input[type=checkbox]{accent-color:#3b82f6;width:1.1rem;height:1.1rem;margin-right:.75rem}.legal-checkbox .legal-label{display:flex;align-items:flex-start;color:#cbd5e1;font-size:.85rem;gap:.75rem}.legal-checkbox .legal-label.error span{color:#fca5a5}.legal-checkbox input[type=checkbox].error{outline:2px solid #f87171;outline-offset:2px}.legal-checkbox a{color:#60a5fa;text-decoration:underline}.legal-checkbox a:hover{color:#93c5fd}.legal-checkbox .error{color:#f87171}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 40px #3b82f680}.btn-primary:active{transform:translateY(0)}.auth-links{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(59,130,246,.2)}.auth-links a{color:#3b82f6;text-decoration:none;font-weight:500;transition:color .3s ease}.auth-links a:hover{color:#60a5fa}.error-message{color:#ef4444;font-size:.8rem;margin-top:.5rem;display:none}.success-message{color:#10b981;font-size:.8rem;margin-top:.5rem;display:none}.form-input.error{border-color:#ef4444;box-shadow:0 0 0 3px #ef44441a}.form-input.success{border-color:#10b981;box-shadow:0 0 0 3px #10b9811a}.password-strength{margin-top:.5rem}.strength-bar{height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden;margin-bottom:.5rem}.strength-fill{height:100%;width:0%;transition:all .3s ease;border-radius:2px}.strength-weak{background:#ef4444}.strength-medium{background:#f59e0b}.strength-strong{background:#10b981}.strength-text{font-size:.75rem;color:#94a3b8}.password-requirements{margin-top:.5rem;font-size:.75rem}.requirement{color:#94a3b8;margin-bottom:.25rem;display:flex;align-items:center;gap:.5rem}.requirement.met{color:#10b981}.requirement:before{content:"✗";color:#ef4444;font-weight:700}.requirement.met:before{content:"✓";color:#10b981;font-weight:700}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;animation:fadeIn .3s ease}.modal.show{display:flex;align-items:center;justify-content:center}.modal-content{background:#ffffff0d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(59,130,246,.3);border-radius:20px;padding:3rem;text-align:center;max-width:500px;margin:2rem;box-shadow:0 25px 50px #00000080;animation:slideIn .3s ease}.modal-icon{width:80px;height:80px;background:linear-gradient(135deg,#10b981,#059669);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 2rem;font-size:2rem}.modal-title{font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:1rem}.modal-message{color:#cbd5e1;font-size:1rem;line-height:1.6;margin-bottom:2rem}.modal-btn{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none;border-radius:12px;padding:1rem 2rem;font-weight:600;cursor:pointer;transition:all .3s ease}.modal-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px #3b82f666}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-50px) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@media (max-width: 768px){.auth-card{padding:2rem;margin:1rem}.logo h1{font-size:2rem}.modal-content{padding:2rem}}.btn-primary.loading{opacity:.7;cursor:not-allowed}.btn-primary.loading:after{content:"";width:16px;height:16px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite;display:inline-block;margin-left:10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}