.login-body{background:linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);min-height:100vh;position:relative;overflow:hidden}.login-body::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(/%23grain)"/></svg>');opacity:0.3}.login-container{position:relative;z-index:2}.login-card{background:rgba(255,255,255,0.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:25px;padding:3rem 2rem;box-shadow:0 20px 60px rgba(0,0,0,0.1);border:1px solid rgba(255,255,255,0.2);position:relative;overflow:hidden}.login-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(45deg, var(--primary-color), var(--secondary-color))}.form-label{font-weight:600;color:var(--text-dark);margin-bottom:0.5rem}.input-group{border-radius:15px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.05)}.input-group-text{background:var(--primary-color);color:white;border:none;padding:0.75rem 1rem}.form-control{border:none;padding:0.75rem 1rem;font-size:1rem;transition:all 0.3s ease}.form-control:focus{box-shadow:none;border-color:var(--primary-color)}.form-check-input:checked{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary{background:linear-gradient(45deg, var(--primary-color), var(--secondary-color));border:none;padding:1rem 2rem;font-weight:600;border-radius:15px;transition:all 0.3s ease;position:relative;overflow:hidden}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(37,178,112,0.3)}.btn-primary:active{transform:translateY(0)}.btn-loading{display:flex;align-items:center;justify-content:center;gap:0.5rem}@media (max-width: 1200px){.login-container{padding:2rem 1rem}.login-card{max-width:500px;padding:2.5rem 2rem}}@media (max-width: 992px){.login-container{padding:1.5rem 1rem}.login-card{max-width:450px;padding:2rem 1.5rem}.btn-primary{padding:0.875rem 1.75rem;font-size:0.95rem}}@media (max-width: 768px){.login-body{min-height:100vh;padding:1rem 0}.login-container{padding:1rem 0.5rem;min-height:calc(100vh - 2rem)}.login-card{padding:2rem 1.5rem;margin:0.5rem;max-width:100%;width:calc(100% - 1rem)}.form-label{font-size:0.9rem}.form-control{padding:0.75rem 1rem;font-size:0.9rem}.input-group-text{padding:0.75rem 1rem;font-size:0.9rem}.btn-primary{padding:0.75rem 1.5rem;font-size:0.9rem;width:100%}}@media (max-width: 576px){.login-body{padding:0.5rem 0}.login-container{padding:0.5rem 0.25rem;min-height:calc(100vh - 1rem)}.login-card{padding:1.5rem 1rem;margin:0.25rem;width:calc(100% - 0.5rem);border-radius:15px}.form-label{font-size:0.85rem;margin-bottom:0.5rem}.form-control{padding:0.6rem 0.75rem;font-size:0.85rem;border-radius:10px}.input-group-text{padding:0.6rem 0.75rem;font-size:0.85rem;border-radius:10px 0 0 10px}.input-group .form-control{border-radius:0 10px 10px 0}.btn-primary{padding:0.6rem 1.25rem;font-size:0.85rem;border-radius:10px}}@media (max-width: 480px){.login-card{padding:1.25rem 0.75rem;margin:0.125rem;width:calc(100% - 0.25rem)}.form-label{font-size:0.8rem}.form-control{padding:0.5rem 0.6rem;font-size:0.8rem}.input-group-text{padding:0.5rem 0.6rem;font-size:0.8rem}.btn-primary{padding:0.5rem 1rem;font-size:0.8rem}}@media (max-height: 600px) and (orientation: landscape){.login-body{min-height:100vh;padding:0.5rem 0}.login-container{padding:0.5rem;min-height:calc(100vh - 1rem)}.login-card{padding:1.5rem;margin:0.25rem}.form-control{padding:0.5rem 0.75rem}.btn-primary{padding:0.5rem 1.25rem}}@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi){.login-card::before{background-size:50px 50px}}@media (prefers-reduced-motion: reduce){.form-control,.btn{animation:none}.login-card::after{animation:none}.btn-primary:hover{transform:none}}@media (hover: none) and (pointer: coarse){.btn-primary:hover{transform:none}.btn-primary{min-height:44px}.form-control{min-height:44px}}@media (prefers-color-scheme: dark){.login-card{background:rgba(255,255,255,0.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.form-control{background:rgba(255,255,255,0.9);border-color:rgba(255,255,255,0.3)}.form-control:focus{background:white;border-color:var(--primary-color)}.input-group-text{background:rgba(255,255,255,0.9);border-color:rgba(255,255,255,0.3)}}.form-control,.btn,.role-option{animation:slideInUp 0.6s ease forwards}.form-control:nth-child(1){animation-delay:0.1s}.form-control:nth-child(2){animation-delay:0.2s}.btn{animation-delay:0.3s}@keyframes slideInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.loading{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.form-control.is-valid{border-color:var(--primary-color);box-shadow:0 0 0 0.2rem rgba(37,178,112,0.25)}.form-control.is-invalid{border-color:#dc3545;box-shadow:0 0 0 0.2rem rgba(220,53,69,0.25)}.invalid-feedback{color:#dc3545;font-size:0.875rem;margin-top:0.25rem}.login-card::after{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle, rgba(37,178,112,0.1) 0%, transparent 70%);animation:float 20s ease-in-out infinite;pointer-events:none}@keyframes float{0%, 100%{transform:translate(0, 0) rotate(0deg)}25%{transform:translate(10px, -10px) rotate(90deg)}50%{transform:translate(0, -20px) rotate(180deg)}75%{transform:translate(-10px, -10px) rotate(270deg)}}