*{box-sizing:border-box;margin:0;padding:0}body{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;justify-content:center;min-height:100vh;padding:1rem}.login-container{max-width:420px;width:100%}.login-card{background:#fff;border-radius:1rem;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:3rem 2.5rem}.login-header{margin-bottom:2rem;text-align:center}.login-logo{align-items:center;display:flex;justify-content:center;margin-bottom:1rem}.login-logo img{border-radius:1rem;display:block;height:auto;max-width:150px}.login-title{color:#1f2937;font-size:1.75rem;font-weight:700;margin-bottom:.5rem}.login-subtitle{color:#6b7280;font-size:.875rem}.form-group{margin-bottom:1.5rem}.form-label{color:#374151;display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem}.form-control{border:2px solid #e5e7eb;border-radius:.5rem;font-size:1rem;padding:.75rem 1rem;transition:all .2s;width:100%}.form-control:focus{border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1);outline:none}.form-control.error{border-color:#ef4444}.btn-login{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:.5rem;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;margin-top:1rem;padding:.875rem;transition:all .2s;width:100%}.btn-login:hover{box-shadow:0 10px 20px rgba(102,126,234,.3);transform:translateY(-2px)}.btn-login:active{transform:translateY(0)}.btn-login:disabled{cursor:not-allowed;opacity:.6;transform:none}.alert{border-radius:.5rem;display:none;font-size:.875rem;margin-bottom:1.5rem;padding:.875rem 1rem}.alert.show{display:block}.alert-error{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}.alert-success{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46}.forgot-password{margin-top:1.5rem;text-align:center}.forgot-password a{color:#667eea;font-size:.875rem;text-decoration:none}.forgot-password a:hover{text-decoration:underline}.loading-spinner{animation:spin .8s linear infinite;border:3px solid hsla(0,0%,100%,.3);border-radius:50%;border-top-color:#fff;display:none;height:20px;margin:0 auto;width:20px}@keyframes spin{to{transform:rotate(1turn)}}.btn-login.loading .btn-text{display:none}.btn-login.loading .loading-spinner{display:block}.input-icon{position:relative}.input-icon svg{color:#9ca3af;height:20px;left:1rem;position:absolute;top:50%;transform:translateY(-50%);width:20px}.input-icon .form-control{padding-left:3rem}@media (max-width:480px){.login-card{padding:2rem 1.5rem}.login-title{font-size:1.5rem}.login-logo img{border-radius:1rem;max-width:120px}}