* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            height: 100%;
            width: 100%;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            min-height: 100vh;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 0;
            margin: 0;
            position: relative;
            overflow-x: hidden;
        }

        .container-wrapper {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 50px 20px;
        }

        body::before {
            content: '';
            position: fixed;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            top: -200px;
            left: -200px;
            animation: float 6s ease-in-out infinite;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            bottom: -150px;
            right: -150px;
            animation: float 8s ease-in-out infinite;
            z-index: 0;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(20px);
            }
        }

        .login-box {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 35px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 450px;
            position: relative;
            z-index: 1;
            animation: slideUp 0.5s ease;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .logo {
            width: 65px;
            height: 65px;
            object-fit: contain;
            margin-bottom: 12px;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        .fw-bold {
            color: #333;
            font-weight: 700;
            font-size: 26px;
            margin-bottom: 25px;
        }

        .form-label {
            color: #444;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 8px;
        }

        .input-group-custom {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: #667eea;
            font-size: 16px;
            z-index: 2;
            pointer-events: none;
        }

        .form-control {
            padding: 11px 15px 11px 42px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            transition: all 0.3s ease;
            background-color: white;
        }

        .form-control:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.1);
            outline: none;
        }

        select.form-control {
            padding: 11px 15px 11px 42px;
            padding-right: 40px;
            background-color: white;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
        }

        select.form-control:hover {
            border-color: #667eea;
            background-color: #f8f9ff;
        }

        select.form-control:disabled {
            background-color: #f5f5f5;
            cursor: not-allowed;
            opacity: 0.6;
        }

        select.form-control.loading {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 50 50'%3E%3Cpath fill='%23667eea' d='M25,5A20.14,20.14,0,0,1,45,22.88a2.51,2.51,0,0,0,2.49,2.26h0A2.52,2.52,0,0,0,50,22.33a25.14,25.14,0,0,0-50,0,2.52,2.52,0,0,0,2.5,2.81h0A2.51,2.51,0,0,0,5,22.88,20.14,20.14,0,0,1,25,5Z'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 25 25' to='360 25 25' dur='0.6s' repeatCount='indefinite'/%3E%3C/path%3E%3C/svg%3E");
            background-size: 16px;
            background-position: right 15px center;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #999;
            transition: color 0.3s ease;
            z-index: 2;
        }

        .password-toggle:hover {
            color: #667eea;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            color: white;
            padding: 14px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .card-header {
            background: transparent;
            border: none;
            padding: 20px 0 0 0;
            display: flex;
            justify-content: center;
        }

        .btn-sm {
            padding: 10px 18px;
            background: white;
            border: 2px solid #667eea;
            color: #667eea;
            border-radius: 10px;
            font-weight: 600;
            font-size: 13px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-sm:hover {
            background: #667eea;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
        }

        .alert {
            border-radius: 10px;
            padding: 15px;
            margin-top: 20px;
            border: none;
            animation: slideIn 0.3s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .alert-danger {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
        }

        @media (max-width: 576px) {
            .container-wrapper {
                padding: 30px 15px;
            }

            .login-box {
                padding: 30px 25px;
            }

            .fw-bold {
                font-size: 24px;
            }

            .logo {
                width: 60px;
                height: 60px;
            }
        }