* {
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #667eea 0%, #47bddb 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow-x: hidden;
        }

        /* Animated Background */
        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .bg-shape {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 20s infinite;
        }

        .bg-shape:nth-child(1) {
            width: 500px;
            height: 500px;
            top: -250px;
            right: -100px;
            animation-delay: 0s;
        }

        .bg-shape:nth-child(2) {
            width: 400px;
            height: 400px;
            bottom: -200px;
            left: -100px;
            animation-delay: 5s;
        }

        .bg-shape:nth-child(3) {
            width: 300px;
            height: 300px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: 10s;
            opacity: 0.05;
        }

        @keyframes float {
            0%, 100% {
                transform: translate(0, 0) rotate(0deg);
            }
            25% {
                transform: translate(50px, 50px) rotate(90deg);
            }
            50% {
                transform: translate(0, 100px) rotate(180deg);
            }
            75% {
                transform: translate(-50px, 50px) rotate(270deg);
            }
        }

        .login-container {
            width: 100%;
            max-width: 480px;
            padding: 20px;
            position: relative;
            z-index: 1;
        }

        .login-section {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 80vh;
            padding: 20px;
        }

        .login-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 30px;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
            padding: 50px 40px;
            animation: slideInUp 0.8s cubic-bezier(0.23, 1, 0.32, 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: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: gradientMove 3s linear infinite;
        }

        @keyframes gradientMove {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .logo-section {
            text-align: center;
            margin-bottom: 40px;
        }

        .logo-icon-wrapper {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
            animation: pulse 2s ease-in-out infinite;
        }

        .logo-icon-wrapper i {
            font-size: 3.5rem;
            color: white;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
            }
            50% {
                transform: scale(1.05);
                box-shadow: 0 30px 60px rgba(102, 126, 234, 0.6);
            }
        }

        .login-card h1 {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
        }

        .subtitle {
            color: #666;
            font-size: 1rem;
            margin-bottom: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }

        .subtitle i {
            color: #667eea;
            font-size: 0.9rem;
        }

        /* Form Styles */
        .form-floating-group {
            margin-bottom: 25px;
            position: relative;
        }

        .form-floating-custom {
            position: relative;
        }

        .form-floating-custom .form-control {
            height: 65px;
            padding: 20px 15px 10px 55px;
            border: 2px solid #e1e5ee;
            border-radius: 15px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: white;
        }

        .form-floating-custom .form-control:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
            outline: none;
        }

        .form-floating-custom .form-control.is-valid {
            border-color: #10b981;
            background-image: none;
        }

        .form-floating-custom .form-control.is-invalid {
            border-color: #ef4444;
            background-image: none;
        }

        .form-floating-custom label {
            position: absolute;
            left: 55px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            pointer-events: none;
            background: transparent;
            padding: 0 5px;
        }

        .form-floating-custom .form-control:focus ~ label,
        .form-floating-custom .form-control:not(:placeholder-shown) ~ label {
            top: 20px;
            transform: translateY(0);
            font-size: 0.75rem;
            color: #667eea;
            font-weight: 600;
        }

        .input-icon {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            z-index: 10;
        }

        .form-floating-custom .form-control:focus ~ .input-icon {
            color: #667eea;
        }

        .password-toggle-btn {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #999;
            cursor: pointer;
            font-size: 1.1rem;
            padding: 8px;
            transition: all 0.3s ease;
            z-index: 10;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .password-toggle-btn:hover {
            background: rgba(102, 126, 234, 0.1);
            color: #667eea;
        }

        .password-toggle-btn:active {
            transform: translateY(-50%) scale(0.95);
        }

        .field-hint {
            margin-top: 8px;
            padding: 12px 15px;
            background: #f8f9ff;
            border-radius: 12px;
            border-left: 4px solid #667eea;
            font-size: 0.85rem;
            color: #555;
            animation: slideIn 0.3s ease;
        }

        .field-hint i {
            color: #667eea;
            margin-right: 8px;
        }

        .field-hint strong {
            color: #667eea;
            background: rgba(102, 126, 234, 0.1);
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Remember Me Checkbox */
        .checkbox-wrapper {
            display: flex;
            align-items: center;
            margin: 25px 0;
        }

        .custom-checkbox {
            display: flex;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .custom-checkbox input {
            position: absolute;
            opacity: 0;
            cursor: pointer;
            height: 0;
            width: 0;
        }

        .checkmark {
            position: relative;
            height: 22px;
            width: 22px;
            background-color: #fff;
            border: 2px solid #e1e5ee;
            border-radius: 6px;
            margin-right: 10px;
            transition: all 0.3s ease;
        }

        .custom-checkbox:hover input ~ .checkmark {
            border-color: #667eea;
        }

        .custom-checkbox input:checked ~ .checkmark {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-color: transparent;
        }

        .checkmark:after {
            content: '';
            position: absolute;
            display: none;
            left: 7px;
            top: 3px;
            width: 5px;
            height: 10px;
            border: solid white;
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

        .custom-checkbox input:checked ~ .checkmark:after {
            display: block;
        }

        .checkbox-text {
            color: #555;
            font-size: 0.95rem;
            font-weight: 500;
        }

        /* Login Button */
        .btn-login {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border: none;
            padding: 16px 30px;
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: 15px;
            color: white;
            width: 100%;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            margin-top: 15px;
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }

        .btn-login::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.6s ease;
        }

        .btn-login:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
        }

        .btn-login:hover::before {
            left: 100%;
        }

        .btn-login:active {
            transform: translateY(-1px);
        }

        .btn-login i {
            margin-right: 10px;
            transition: transform 0.3s ease;
        }

        .btn-login:hover i {
            transform: translateX(5px);
        }

        /* Divider */
        .divider {
            text-align: center;
            margin: 30px 0;
            position: relative;
        }

        .divider::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #e1e5ee, transparent);
        }

        .divider span {
            background: white;
            padding: 0 20px;
            position: relative;
            color: #999;
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Register Button */
        .btn-register {
            background: white;
            border: 2px solid #e1e5ee;
            color: #667eea;
            font-weight: 600;
            padding: 14px 30px;
            border-radius: 15px;
            width: 100%;
            transition: all 0.3s ease;
        }

        .btn-register:hover {
            border-color: #667eea;
            background: rgba(102, 126, 234, 0.05);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.1);
        }

        .btn-register i {
            margin-right: 10px;
            transition: transform 0.3s ease;
        }

        .btn-register:hover i {
            transform: scale(1.1);
        }

        /* Forgot Password Link */
        .forgot-password {
            text-align: center;
            margin-top: 25px;
        }

        .forgot-password a {
            color: #999;
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        .forgot-password a i {
            font-size: 0.9rem;
            transition: transform 0.3s ease;
        }

        .forgot-password a:hover i {
            transform: translateX(3px);
        }

        /* Alert Messages */
        .alert {
            border: none;
            border-radius: 15px;
            padding: 16px 20px;
            margin-bottom: 30px;
            animation: slideInDown 0.5s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }

        .alert-danger {
            background: #fee2e2;
            border-left: 4px solid #ef4444;
            color: #991b1b;
        }

        .alert-success {
            background: #d1fae5;
            border-left: 4px solid #10b981;
            color: #065f46;
        }

        .alert i {
            font-size: 1.2rem;
        }

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

        /* Loading Spinner */
        .spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            margin-right: 10px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .btn-login.loading .spinner {
            display: inline-block;
        }

        .btn-login.loading span {
            opacity: 0.8;
        }

        /* Password Strength Indicator */
        .password-strength {
            margin-top: 10px;
            height: 4px;
            background: #e1e5ee;
            border-radius: 2px;
            overflow: hidden;
            display: none;
        }

        .password-strength-bar {
            height: 100%;
            width: 0;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .password-strength-text {
            font-size: 0.75rem;
            margin-top: 5px;
            text-align: right;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 576px) {
            .login-card {
                padding: 40px 25px;
            }

            .logo-icon-wrapper {
                width: 80px;
                height: 80px;
            }

            .logo-icon-wrapper i {
                font-size: 2.5rem;
            }

            .login-card h1 {
                font-size: 1.6rem;
            }
        }