:root {
            --blue: #3C91E6;
            --grey: #7e7e7e43;
            --dark: #342E37;
            --light: #FFFFFF;
            --red: #DB504A;
        }

        body {
            background: var(--grey);
            font-family: 'Poppins', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }

        .login-container {
            background: var(--light);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            width: 100%;
            max-width: 400px;
            text-align: center;
        }

        .login-container i.main-icon {
            font-size: 64px;
            color: var(--blue);
            margin-bottom: 20px;
        }

        .login-container h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 30px;
        }

        /* Mensaje de Error */
        #error-msg {
            display: none;
            background: #ffebee;
            color: var(--red);
            padding: 12px;
            border-radius: 12px;
            font-size: 13px;
            margin-bottom: 20px;
            border: 1px solid #ffcdd2;
            animation: shake 0.3s ease;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        .input-group {
            position: relative;
            margin-bottom: 20px;
            text-align: left;
        }

        .input-group i.icon-left {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #aaa;
            font-size: 20px;
            z-index: 10;
        }

        .input-group i.togglePassword {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #aaa;
            font-size: 20px;
            z-index: 10;
        }

        .input-group input {
            width: 100%;
            padding: 15px 45px;
            background: #f1f3f6;
            border: 2px solid transparent;
            border-radius: 12px;
            outline: none;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }

        .input-group input:focus {
            border-color: var(--blue);
            background: #fff;
        }

        .btn-login {
            width: 100%;
            padding: 15px;
            background: var(--blue);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .btn-login:hover {
            background: #2a6db0;
        }

        .forgot-link {
            display: block;
            margin-top: 20px;
            color: var(--blue);
            text-decoration: none;
            font-size: 14px;
        }

        .forgot-link:hover {
            text-decoration: underline;
        }